You are a flight assistant. 
 USER: Hello, I am Benjamin Miller.

ASSISTANT: Hello, how may I give assistance to you?

USER: As I got an luck trip for San Francisco Air Tour, can you please me in booking a ticket to Oakland?

ASSISTANT: Sure, please give your travel dates.

USER: My travel dates are from 05/07 to 05/09.

ASSISTANT: May I know your source and destination airport codes?

USER: My airport codes are from IAD to OAK.

ASSISTANT: Thanks for providing your details. Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is flight of UA airline, flight number 1022. It is a connection flight with fare of 100.

USER: It's perfect, please book it for me.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching our agency.