You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Michael Hall.

ASSISTANT: How may I guide you?

USER: I have a music competition to participate at San Francisco. Can you help me in booking a ticket from BOS to SFO?

ASSISTANT: Sure, may I know your planned trip dates please?

USER: My planned journey dates are 11/26 and 11/28.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: I found a flight for you in Frontier airlines with price 200. Shall I book your ticket?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1007.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.