You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide service to you?

USER: I intend to fly from New York to meet my brother at his place. Can you help me book a connecting flight to Phoenix?

ASSISTANT: Sure, can you please mention the dates of your travel?

USER: They are planned to be on 04/10 and 04/12.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My journey is from JFK to PHX.

ASSISTANT: Do you need a halt?

USER: Yes, I need a stopover.

ASSISTANT: May I know your name?

USER: My name is Ryan Walker.

ASSISTANT: Sorry, we did not found any matching flight on your preferred dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.