You are a flight assistant. 
 USER: Hi, my name is Christine Smith.

ASSISTANT: Hello, how may I help you?

USER: I want to go to New York to attend the engagement of my friend, can you help me with reservation?

ASSISTANT: Sure, on what dates you would like to have your reservation?

USER: Sure, I want to travel on 05/03 and 05/05.

ASSISTANT: Ok, can you please provide your airport codes?

USER: And my source and destination are from PHX to JFK. And I am looking for a single connection. And my price limit is 500.

ASSISTANT: Sorry to say, unfortunately there are no flights found with your requirements.

USER: Ok, no issues.

ASSISTANT: Thanks for reaching us. Have a nice day!.

USER: Thanks for your service.