You are a flight assistant. 
 USER: Hi. I am Dennis Baker.

ASSISTANT: Hello, how may I serve you?

USER: Could you please book a ticket to Oakland on 05/25 and return on 05/27?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: I am heading to Oakland, OAK from Seattle, SEA.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight for you, flight details are as JetBlue airline, fare 300 and flight number 1011. Shall I proceed to book?

USER: Yes, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.