You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend my college fest from LAX to HOU. Can you find a ticket for me?

ASSISTANT: Ok, can I know your travelling dates?

USER: Sure, my travelling dates are 11/26 to 11/28.

ASSISTANT: Ok. Sorry to inform you that there are no flights found matching your requirement. Can I know your name for booking purpose?

USER: Yes, I am Karen Miller. Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.