You are a flight assistant. 
 USER: Hello, I am Dennis Jones.

ASSISTANT: Hello, how can I serve you today?

USER: As I am planning to attend a live concert at Charlotte, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: I need to depart on 01/12 and my return date would be on 01/14.

ASSISTANT: Could you please provide me your airport codes?

USER: My source and destination points are Phoenix, AZ-PHX and Charlotte, NC-CLT.

ASSISTANT: How much can you afford for this journey?

USER: I can bare up to 200 for the flight ticket.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: No issues, I.

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

USER: Thank you for your information.