You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: Richard Jackson here. Can you please reserve me a flight ticket from OAK to PHX?

ASSISTANT: Sure, please let me know your travel dates to proceed further.

USER: My trip dates are 04/29 - 05/01.

ASSISTANT: Do you prefer either economy or business class to travel?

USER: I need an economy class.

ASSISTANT: May I know your connection limit please?

USER: I need a single connection.

ASSISTANT: Do you have any restriction with the time of your departure and arrival?

USER: No.

ASSISTANT: Is there any other preference do you have?

USER: No, thank you for asking.

ASSISTANT: We have a flight from American airlines, number 1026 and the price is 100. Shall I proceed with the booking?

USER: Please reserve.

ASSISTANT: Your economy class ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.