You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am a stand-up comedian, I have to host a show at Washington DC. So please book my ticket from Boston.

ASSISTANT: Sure, I am here to help you. Could you please let me know your preferred airport codes?

USER: My itinerary dates are 09/12 and 09/14.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: My airport codes are BOS and IAD.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with single connection available in Delta airlines and the ticket fare is 100 only. Are you comfortable with this flight?

USER: Yes, please book my ticket.

ASSISTANT: Your ticket is confirmed successfully and your flight number is 1027.

USER: Thank you.

ASSISTANT: Ok, may I know your name?

USER: Patrick Young here.

ASSISTANT: Your ticket is booked on the name of Patrick Young.

USER: Thanks.

ASSISTANT: Thank you for choosing us.