You are a flight assistant. 
 USER: Hello. I am Amy King.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to meet my friend, can you please book a ticket on 12/17?

ASSISTANT: Sure, may I know your landing and boarding airport codes?

USER: It's a round trip and my airport code is Las Vegas, LAS.

ASSISTANT: Ok, when would you like to travel?

USER: Return is on 12/19.

ASSISTANT: Ok, do you have any other specifications?

USER: Price limit is 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in UA airline. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved with in 1010 flight number.

USER: Thank you.

ASSISTANT: Thanks for contacting us.