You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Amy Jackson. I would like to go for holiday vacation to Boston, BOS. Can help me in book a flight ticket under the range of 5000?

ASSISTANT: Sure, I will help you with booking. May I know your source airport code?

USER: I am boarding at Denver, CO - DEN.

ASSISTANT: Please share me on what dates would you like to travel?

USER: My travelling dates are from 01/19 to 01/21.

ASSISTANT: Do you have any restriction on connection?

USER: I need 1 connection.

ASSISTANT: Please wait, while I search for the flight.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of airline UA, flight number is 1000 and price is 100, connection is 1. Shall I proceed with booking?

USER: Ok, Proceed.

ASSISTANT: Your flight ticket has been booked on flight 1000?

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.