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

ASSISTANT: Hello, how may I render you?

USER: I want to reach Boston, MA - BOS to meet my manager over there. Please book me a ticket from Charlotte, NC - CLT.

ASSISTANT: Sure, can you please mention you price limit?

USER: I need a cheapest flight possible. My budget is 500.

ASSISTANT: May I know on what dates would you like to travel?

USER: i would start on 04/14 and come back on 04/16.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a UA airlines of 1012 flight number, 1 way station in between journey and the fare of  100.

USER: ok, please book my ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us. Have a safe journey.