You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, hoe can I be a helping hand to you?

USER: I am planning to fly on 10/31 to 11/2. Can you help me in a booking flight ticket?

ASSISTANT: Sure, can you please provide your airport codes?

USER: Sure, I am planning to do my birthday shopping in WA - SEA and my origin from CO - DEN.

ASSISTANT: Do you have any other requirements?

USER: I want a single connection in between my journey.

ASSISTANT: Please wait for a while, I will check and revert you.

USER: Sure.

ASSISTANT: Sorry there no connecting flight.

USER: Ok, not an issue. Don't proceed to booking. Thank you for your quick response.

ASSISTANT: Thank you for reaching us, have a good day. May I know your name please?

USER: My name is Donald Walker.

ASSISTANT: Thank you.