You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need a flight with 1 confection limit, can you help me out?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are from DEN to CLT.

ASSISTANT: Ok, please tell me your trip dates also.

USER: My travel dates are from 03/21 till 03/23.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: May I know your name?

USER: Myself Debra Brown.

ASSISTANT: Sorry Brown, no flights found with your travelling dates.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.