You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Christopher Parker here, I want to reserve a ticket, can you please help me in this intent?

ASSISTANT: Sure, may I know your airport cods please?

USER: Ok, my respective airports codes are from OAK to IAD.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my dates of journey is from 08/02 to 08/04.

ASSISTANT: There is a flight with single connection. can I proceed for booking?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: You booking is confirmed, thank you for choosing us.

USER: Thank you for your help.