You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am John Martin, want to book my round trip ticket from BOS.

ASSISTANT: May I know your trip dates?

USER: My trip dates are 05/09 to 05/11.

ASSISTANT: There is a flight available for you in UA airline with 1 connection. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Most welcome.