You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am Sarah Scott. I want to book a ticket from IAD to SEA to attend workshop, can you help me in booking?

ASSISTANT: Surely, I will help you. May I know your planned dates?

USER: Thank you. I am departing on Sep 06 and return on Sep 08.

ASSISTANT: Ok, please share your class preference.

USER: I am ok with any class.

ASSISTANT: Is there any connection limit for you?

USER: I need a flight with connection limit 1.

ASSISTANT: Do you have any other specifications?

USER: I want a flight which returns in evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for availing us.