You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from LGA to HOU, Can you please help me for booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to travel on 09/29 to return on 10/01.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your name?

USER: Pamela Davis here.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.