You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: I am Jack Johnson.

ASSISTANT: How can I assist you?

USER: I want to book a flight ticket from CO - DEN to Boston to visit my grandmother on her birthday. Can you help me with that?

ASSISTANT: Sure, what are your travelling dates?

USER: I want to fly on 06/08 and return on 06/10.

ASSISTANT: May I know your destination airport code?

USER: Destination is to MA - BOS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight with fare of 100. Shall I proceed with JetBlue airline, 1000 is flight number?

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Ok, your ticket has been booked. Have a safe journey.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.