You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from DEN to CLT, can you help me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are 07/15 and 07/17.

ASSISTANT: May I know your airline preference?

USER: I want to travel in normal cost airline.

ASSISTANT: May I know your connection limit?

USER: I have provided all my requirements, I am comfortable with any flight.

ASSISTANT: Your good name please.

USER: I am Amanda Walker.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.