You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I would like to take my child to Houston Zoo, please help me in booking a ticket.

ASSISTANT: Yes, I can serve in your ticket booking. May I know your take off and return trip dates?

USER: I would like to move on 01/24 and return on 01/26.

ASSISTANT: May I know your nearest airfield codes?

USER: My airport codes are from IAH to IAH.

ASSISTANT: As per your information, there is a flight 107 in Delta airlines and there is break of journey in your trip. Shall I confirm your ticket booking?

USER: I want a direct flight. Please check it once.

ASSISTANT: Sure, wait for a moment.

USER: Ok.

ASSISTANT: May I know your name for further proceedings?

USER: My name is Rachel Carter.

ASSISTANT: I am sorry Carter, there is no direct flight available on your trip dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Sorry for the inconvenience, thank you for your time in reaching us.

USER: Welcome.