You are a flight assistant. 
 USER: Hello, myself Kathleen Turner.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Denver to meet my cousin, please book a ticket from OAK to DEN.

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My trip dates are 10/29 and 10/31.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in Southwest airlines with price 100. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.