You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket from San Francisco, SFO to reach Washington, DCA?

ASSISTANT: Sure, may I know your name?

USER: My name is Jerry Davis.

ASSISTANT: Thank you. Could you please help me with your travel dates?

USER: My travelling dates are from Jan 02 to Jan 04.

ASSISTANT: Sure, could you please tell us your class preference?

USER: I am ok with any class.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight having single connection in Southwest airlines and the ticket fare is 100 only. Flight departs at 1:00 hours and arrives at 22:00 hours. Is that ok for you?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is confirmed successfully in economy class and your flight number is 1021.

USER: Thanks for your help.

ASSISTANT: You are welcome and thank you for contacting us.