You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am David Rodriguez. I am looking for a flight from BOS to BOS, a round trip. Can you help me out?

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

USER: My trip dates are from 07/28 till 07/30.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

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

USER: Please proceed with it.

ASSISTANT: Your ticket has been booked with flight number 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.