You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you aid me to book a flight ticket from OAK to PHX?

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: I planned my trip on the dates Sept 27 and Sept 29.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: Myself William Evans.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is United Airlines with price 200 and single connection. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done and flight number is 1019 in economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.