You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from Dallas, DFW to Seattle, SEA?

ASSISTANT: Sure, May I know your travelling dates?

USER: My journey dates are from Feb 07 to Feb 09.

ASSISTANT: Do you have any connection limit?

USER: I need a lay by in between journey.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Amy Scott.

ASSISTANT: Sorry, there are no flights found with your details.

USER: Ok, that's not a problem. Thank you.

ASSISTANT: Thank you.