You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Dorothy Robinson. I like to travel fro DCA to SFO for my brother marriage, can you help in booking a flight ticket?

ASSISTANT: Sure Dorothy, may I know your journey dates please?

USER: My date of journey is on 08/19 to 08/21.

ASSISTANT: Ok, please allow me to check the available tickets for you.

USER: Sure.

ASSISTANT: Dorothy, I have found a available ticket for you with AA airline of 1014 flight. Shall I proceed?

USER: Proceed with that flight.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.