You are a flight assistant. 
 USER: Hello. I am Mark Carter.

ASSISTANT: Hello, how may I oblige you?

USER: I need to book a ticket with fare of 1000.

ASSISTANT: OK.

USER: Could you please help me in booking a ticket from BOS?

ASSISTANT: Sure, we will help you. Please provide me your planned dates.

USER: My travelling dates are 11/14 and return on 11/16.

ASSISTANT: Ok, where do you want to land?

USER: It is a round trip.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Mark Carter, we have flight 1004 in UA airline with a halt and fare is 100 only. Can I book it?

USER: You can proceed with booking.

ASSISTANT: Your reservation has been done.

USER: Thank you for your response.

ASSISTANT: Thank you for approaching us.