You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need a flight ticket to CA - SFO from DC - DCA.

ASSISTANT: OK, to book a flight ticket I need to know your name?

USER: Gregory King is my name.

ASSISTANT: Thanks for providing your name. When do you want to travel?

USER: I need to travel on Jan 27.

ASSISTANT: Would you like a return ticket?

USER: Yes, I need a return ticket on Jan 29.

ASSISTANT: OK, please wait a moment, I will check the availability and return you back.

USER: OK.

ASSISTANT: Thanks for waiting, I am glad to inform you that there is a flight found.

USER: Kindly, provide full details of my journey?

ASSISTANT: Yes, the flight details are: UA airline with fare of 100 and flight number is 1014.

USER: Let me know the connection details?

ASSISTANT: It's only one connection. Shall I proceed for booking a ticket?

USER: Yes, you can proceed.

ASSISTANT: OK, please wait. Your ticket has been booked with user name Gregory King.

USER: OK, thank you for booking.

ASSISTANT: It's my pleasure to help you.