You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to travel SFO and SEA, can you reserve flight ticket?

ASSISTANT: Can you share your trip dates?

USER: My travelling dates are May,10 and may,12.

ASSISTANT: Do you need any connections?

USER: No.

ASSISTANT: Are there any other preferences?

USER: I prefer to return in the evening.

ASSISTANT: May I know your name?

USER: Myself Andrew Young.

ASSISTANT: Connecting flight number 1008 with price 200 in economy class is available. Is it ok?

USER: Proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.