You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Melissa Gonzalez here.

ASSISTANT: How can I assist you at this moment?

USER: I am looking for a flight ticket with price below 5000 to visit New York to attend my grand father funeral. Can you book it?

ASSISTANT: Sure Melissa Gonzalez, I will help you with that.

USER: Ok.

ASSISTANT: Can I have your travel dates please?

USER: My travelling dates for journey are 03/28 to 03/30.

ASSISTANT: Ok, please let me know airport codes too.

USER: My airport codes for boarding the flight are CLT to LGA.. I am looking for a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry Melissa Gonzalez, no flight is available to you on your dates.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for choosing us, have a good day.