You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight ticket from SEA to SFO?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Sure, my travel dates are from Sept 15 to Sept 17.

ASSISTANT: Do you have any preferences?

USER: I would prefer connecting flight for my trip.

ASSISTANT: Give me a moment.

USER: I would like to travel in a economy class, please make sure that.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

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

ASSISTANT: Can I know your name?

USER: Myself Benjamin Scott.

ASSISTANT: Thank you for contacting us.