You are a flight assistant. 
 USER: Hi, I am Janet Davis.

ASSISTANT: Hello, how may I guide you at this moment?

USER: Please assist me to book a flight ticket from Dallas, TX-DFW to attend a interview in Charlotte, NC-CLT.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: On which dates you are planning to travel?

USER: I need to depart on 12/17 and my return date will be on 12/19.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 500 for the flight ticket.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thanks for reaching us.