You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William Jackson here.

ASSISTANT: How may I guide you?

USER: Reserve a flight ticket for me that is from OAK to DEN.

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates for journey are 10/15 to 10/17.

ASSISTANT: There is a flight for you with 1 connection. Shall I proceed?

USER: Sure, you can book the flight ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.