You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I am looking for a flight from LGA to IAH, can you help me in booking?

ASSISTANT: Sure, can you please forward your journey dates?

USER: Sure, my planned travel dates are Sept 09 and Sept 11.

ASSISTANT: Is there any connection limit in your journey?

USER: Yes, please look for a connecting flight.

ASSISTANT: May I know your name please?

USER: Myself Carol Lee.

ASSISTANT: Please let me know your other requirements.

USER: I prefer for an economy class.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your specifications.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.