You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: I would like to book a ticket from DEN to LAS, can you please help me with that?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: The travel dates are from 02/28 to 03/01.

ASSISTANT: Do you have any limit on number of connections?

USER: I need a flight with 1 connection limit.

ASSISTANT: May I know about your other requirements for the journey?

USER: No.

ASSISTANT: Please, share me your good name to proceed further for documentation purpose.

USER: Matthew Parker here.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry to inform you that, we have not found any flights running on your desired travel dates.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for approaching us.