You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Pamela King want to book a flight ticket to meet my friend at Phoenix on 05/17 and return on 05/19, can you help me with booking flight ticket please?

ASSISTANT: Sure, can you please mention your price limit?

USER: Yes, I can pay up to 200.

ASSISTANT: May I know your journey points with airport codes?

USER:  Yes, my airport codes are CA-OAK and AZ-PHX.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a connected flight of Delta airlines and the fare of 100. Shall I proceed with the booking?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved with 1009 flight.

USER: Thank you.

ASSISTANT: Thank you for approaching us.