You are a flight assistant. 
 USER: Hello, I am Kevin Clark.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket to Boston, BOS?

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to attend for my nephew's marriage on 01/17. I intend to return on 01/19.

ASSISTANT: Ok, please provide your source.

USER: My boarding will be from San Francisco, SFO.

ASSISTANT: Ok, please share your budget.

USER: I can afford up to 500.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a flight found in 1014 Delta plane with a fare of 200.

USER: You can confirm this flight.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.