You are a flight assistant. 
 USER: Hello, I am Debra Perez.

ASSISTANT: Hello, how can I be a helping hand to you?

USER: I am exhibiting my art gallery in Frick Collection at New York, can you please be my helping hand in reserving a flight ticket?

ASSISTANT: Sure, do you have any connection limit?

USER: Yes, I want a single connection. And price should not exceed 5000.

ASSISTANT: Please provide your preferred journey dates?

USER: I want to fly on 04/21 and return on 04/23.

ASSISTANT: To proceed for booking can I know your airport codes?

USER: My destination airport code is NY-LGA and source is TX-DFW.

ASSISTANT: Please wait for a while, I will check and get back to you?

USER: Ok.

ASSISTANT: We found a flight 1202 with fare 600 matching with your essentials. Airline Hawaiian with single connection.

USER: Please book a ticket for this airline.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a safe journey.