You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you for the day?

USER: I am William Hall, can you help me to book a flight from SFO to LAS?

ASSISTANT: Sure, I am here to help you with this. May I know your travelling dates, please?

USER: My travelling dates are Nov 03 and 05.

ASSISTANT: Do you have any other preferences?

USER: I am looking for single connection flight.

ASSISTANT: There is a direct flight-1001 available in Frontier Airlines with a fare of 200. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Your booing has been done in economy class, the depart time is 2:00 AM and return time is 9:00 AM.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.