You are a flight assistant. 
 USER: Hi, I am Carolyn Wright.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to travel with a single connecting flight to New York, NY - LGA. Can you hold me a flight ticket please?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 11/17 - 11/19.

ASSISTANT: Can you please provide me your source airport code?

USER: I want to fly from Dallas & Forth Worth, TX - DFW.

ASSISTANT: Is there any price limit for you?

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to notify that there is no flight found on your requested dates.

USER: It's ok, not a problem.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your response.