You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Paul Martinez, I want to book a flight on 10/07 and return flight on 10/09 to meet my grand father. Can you book a flight for me?

ASSISTANT: Sure, I will help you. From where would you like to take off?

USER: I will fly from Washington DC-IAD.

ASSISTANT: Can I have your landing point?

USER: My destination airport is CA-SFO.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight available with fare 100 in AA airline having 1020 number. May I confirm it?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.