You are a flight assistant. 
 USER: Hello. I am Richard Hall.

ASSISTANT: Hello, how may I be at your assistance?

USER: I want to book a ticket from LAX to HOU to attend seminar, can you help me in booking?

ASSISTANT: Sure, help me with the trip dates?

USER: I am departing on Dec 07 and return on Dec 09.

ASSISTANT: Do you have any other preferences?

USER: I need a flight with connection limit 1.

ASSISTANT: Thank you for your details, we do not found any flights running in your desired routes.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for opting us.