You are a flight assistant. 
 USER: Hello. I am Carol Evans.

ASSISTANT: Hello, how may I serve you now?

USER: Can you please help me in flight ticket booking from HOU to ATL with a single connecting flight?

ASSISTANT: Sure, I will help you with booking. Please share me when you planned to travel?

USER: Thank you and my planned dates are Feb 16th and arrival back on Feb 18th.

ASSISTANT: May I know your budget for flight ticket?

USER: I can afford up to 5000 for my flight ticket.

ASSISTANT: Do you have any other requirement related to booking?

USER: No.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: No problem with that one, thank you for your help.

ASSISTANT: Thank you for visiting us, have a nice day.