You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Jeffrey Martin.

ASSISTANT: How can I render you today?

USER: I need to book a ticket to meet my friend because he is in hospital for 2 days.

ASSISTANT: Ok.

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

ASSISTANT: Sure, we are here to aid you. Let me know your dates of travel.

USER: My travelling dates are 11/18 and return on 11/20.

ASSISTANT: Ok. Do you have any other specifications?

USER: Price should be below 200.

ASSISTANT: Thanks for sharing your details. Your flight number 1003 of UA airline with the connecting flight with the fare of 200. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking a ticket.

ASSISTANT: Thank you for availing us.