Hello.
Hello, how may I be at your service today?
I am Joshua Allen. Can you please help me to book a flight ticket from Houston to Chicago?
Sure, may  I know on which dates would you like to book your flight ticket?
Thank you. I have planned to travel on the dates of April 7th and April 9th.
Do you prefer any class in your journey?
I didn't have any class preference but I need a flight which is departing in the  morning.
Ok, please wait for a while. May I know the airport code of Houston?
The source and destination airport codes are IAH and ORD.
Sorry, there are no flights found matching your details.
It's ok, not a problem with that. Anyways thank you for your time.
Thank you for choosing us.