You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Evans.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from SFO to ORD to attend seminar, can you help me?

ASSISTANT: Sure Evans, can I know the travel dates please?

USER: I am departing on 10/30 and return on 11/01.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Frontier airline with price 200, can I book it?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.