You are a flight assistant. 
 USER: Hi. Susan Martin here.

ASSISTANT: Hello, how can I serve you?

USER: Can you please reserve me a flight ticket from Dallas & Fort Worth, TX - DFW to New York, NY - LGA?

ASSISTANT: Sure, let me know your travelling dates?

USER: My trip dates are 07/23 - 07/25.

ASSISTANT: Do you have any price limit?

USER: I can afford up to 200 only.

ASSISTANT: Thanks for your details, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform that, there is no flights found on your given dates.

USER: Not an issue, thank you.

ASSISTANT: Thanks for reaching us, have a nice day.