You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Robinson.

ASSISTANT: How can I help you for the day?

USER: I want to attend for an interview in San Francisco, can you help me for booking a plane with a connected flight?

ASSISTANT: Sure. May I know your airport codes, Please?

USER: My source is DC - DCA and destination is CA - SFO.

ASSISTANT: May I know your travel dates, Please?

USER: My travelling dates are from 06/13 to 06/15.

ASSISTANT: Do you have any restriction on price limit?

USER: My price limit is under 5000.

ASSISTANT: OK. We are very happy to inform you that, We found a flight with airline:AA having flight number:1009 matching all your requirements. Shall I proceed with the ticket booking?

USER: Ok, you can proceed.

ASSISTANT: Sure. Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, For booking a ticket with us. Have a great journey.