You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to attend an event in Houston. Can you help me in booking flight ticket from LAX to HOU?

ASSISTANT: Sure, I can help you with that. May I know your planned departure and return travel dates please?

USER: My trip dates are Feb 28 to Mar 01.

ASSISTANT: Can I have your good name please?

USER: Myself Deborah Young.

ASSISTANT: May I know your class and airline preference please?

USER: I want to travel in normal cost airline.

ASSISTANT: Please let me know if you have any other specifications.

USER: Make sure that my return should be in the morning.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights available on those dates with your given details.

USER: Ok, not an issue. Thank you for your help.

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