You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please make a reservation for me from PHX to IAH.

ASSISTANT: Sure, please share your travel dates.

USER: Ok, my trip dates should be from Dec 14 to 16.

ASSISTANT: Can I know your good name?

USER: Sure, I am George Garcia.

ASSISTANT: Please share your connection limit.

USER: I need a flight in economy class with single connection.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Sorry, there is no flight service available on your required routes.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for availing us.