You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you now?

USER: I am Barbara White, I want to book a flight ticket to visit tourist places in SFO, can you help me with booking a connecting flight?

ASSISTANT: Sure, please share me your source airport code?

USER: My source airport code is DFW.

ASSISTANT: May I know your planned journey dates?

USER: My journey dates are Mar 15 and Mar 17.

ASSISTANT: Please mention your depart and return flight timing?

USER: My depart time is evening and return time is evening.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: Thank you for the details, I found direct flight 1020 of airline Frontier, fare is 100 and class is economy. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, we hope see you again.