You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Benjamin Hall. Can you please help me in flight ticket booking process from SEA to SFO?

ASSISTANT: Sure, I am here to help you with the ticket booking. May I know your preferable travel dates?

USER: Thank you for your response, I want to take off on Apr 04 and book my return ticket also on Apr 06.

ASSISTANT: Ok, do you have any particular timings to depart and return?

USER: I want to take off in evening time.

ASSISTANT: Ok, how many connections do you need in between your journey?

USER: I need 1 break in between my journey.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no flights found which is matching to your requirements.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for choosing us.