You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: Could you please help me to book a flight ticket from SEA to meet my old friend to start a new business in DEN?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, I need to depart on 12/24 and my return date will be on 12/26.

ASSISTANT: Do you need a lay by in between the journey?

USER: Yes, I need a break.

ASSISTANT: May I know your good name please?

USER: I am Lisa Adams.

ASSISTANT: Do you have any other preferences?

USER: No, please proceed.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.