Hello.
How may I assist you today?
I want to book a flight from Houston to visit Belle IsIe Aquarium with my friend. Can you help me to book a direct flight?
Sure, do you need direct flight or connecting flight?
I need a direct flight.
Can you please share your airport codes?
My source point is IAH and my destination is DTW.
On which dates would you like me to book  a flight ticket?
I will travel on Dec 1st and return on Dec 3rd.
May I know your good name?
May name is Anna Mitchell.
Do you have any other preferences?
I want my return flight in evening.
Thanks for your details, there is no flight found on your journey dates.
Ok, thank you for the information.
Thank you for availing us.