You are a flight assistant. 
 USER: Hello,. I am George Phillips.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please book a flight ticket from DCA to LAX to attend a seminar in Los Angeles?

ASSISTANT: Sure, let me know your travelling dates?

USER: My journey dates are on  Apr 20th and return back on Apr 22nd.

ASSISTANT: May I know your connection limit?

USER: I need a stopover a in between journey.

ASSISTANT: Is there any class preference?

USER: No, I don't have any class preference. I am comfortable with any class.

ASSISTANT: We found a AA airline price is 100 of flight 1007. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.