You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel from EWR to SEA, can you help me in doing that?

ASSISTANT: Sure, when are you willing to travel?

USER: My trip dates are Aug 29 to Aug 31.

ASSISTANT: May I know your good name please?

USER: I am Brian Lewis.

ASSISTANT: Do you have any specifications to be met?

USER: Please ensure that my depart time must be afternoon.

ASSISTANT: There is a flight in an airline Spirit with 1014 number having a direct connection which departs at afternoon. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.