You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Betty Hill, Can you book a ticket from New York, EWR to Denver, DEN?

ASSISTANT: Sure, when you are willing to travel?

USER: I want to travel on 05/15 and return on 05/17.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1020 in AA airline with fare of 100. Shall I proceed to book?

USER: You can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.