You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Help me with booking ticket which flies with single connection.

ASSISTANT: Sure, can I know your name?

USER: Ok, my name is Samantha Jackson.

ASSISTANT: Do you have any other requirements to be met?

USER: No.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my trip dates are from Dec 05 to 07.

ASSISTANT: Can I know your airport codes?

USER: Sure, my locations are from DEN to SEA.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.