You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Samuel Davis. I am planning to meet my father in DCA, can you help me in booking a ticket from SFO?

ASSISTANT: Sure, please provide me your journey dates?

USER: My planning dates are from 05/22 to 05/24.

ASSISTANT: Ok, please wait I will let you know. We found airline JetBlue with a halt between the journey.

USER: That's good, please proceed in booking my ticket.

ASSISTANT:  Flight number 1013 with price is 200 is confirmed on your name.

USER: Thank you for your help.

ASSISTANT: Thank you for your assistance.

USER: You are welcome.