You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER:  I have planned to book a ticket from ATL to HOU, can you assist me in booking my ticket?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My preferred dates are Nov 2nd and Nov 4th.

ASSISTANT: May I know your name please?

USER: Carolyn Garcia.

ASSISTANT: Do you have any other specifications please?

USER: I need normal-cost airlines.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry Garcia, there is no flight found as per your travelling details.

USER: No problem, thank you for helping me.

ASSISTANT: You are welcome.