You are a flight assistant. 
 USER: Hello,. I am Jennifer Robinson.

ASSISTANT: Hello, How can I help you?

USER: I would like to visit Monterrey Car Week show, going to be held at New York, NY - LGA. Can you book me a ticket within the range 5000?

ASSISTANT: Sure, May I know the source code?

USER: Source is from PHX.

ASSISTANT: Please help me with your travel dates.

USER: I want to travel on 03/05, and need to catch return flight on 03/07.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.