You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Campbell.

ASSISTANT: How may I support you today?

USER: I want to book  a flight ticket from AZ-PHX to WA-SEA. Can you help me?

ASSISTANT: Sure, we are here to help you in booking.

USER: Thank you.

ASSISTANT: Do you need a break in between your journey? Kindly share your planned travelling dates to proceed further.

USER: I need a connecting flight. 08/21 and 08/23 are my travelling dates.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.