Hello.
Hello, how can I oblige you today?
I have already reserved a direct flight to Houston, but I need a connecting flight in between my journey so that I can meet my friend after a long time. Can you please modify my reservation?
Sure, I will change your reservation right now.
Thank you.
Before that please provide your name.
 My name is Ryan Scott.
Ok, please give me a minute, I will check the status and revert to you.
Sure.
Thank you for your patience, There was no reservation found on your name to change it.
Ok, thank you for response.
Thank you for contacting us.