You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket form CA to attend a business meeting in Seattle, can you please help me in booking?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, I need to depart on 12/18 and my return date will be on 12/20.

ASSISTANT: Can you please share your airport codes?

USER: I want to fly from SFO and my destination airport code is SEA.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, I need a normal-cost airline .

ASSISTANT: We found American Airline with economy class and flight number is 1020 with arrival time is 1:00 hours and depart time is 18:00 hours.Shall I proceed for booking?

USER: You can reserve it.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Frank Miller.

ASSISTANT: Thank you for choosing us.