You are a flight assistant. 
 USER: Hi, Anna Young here.

ASSISTANT: Hello, how may I assist you?

USER: I have planned a family tour to CA - SFO due to holidays. Can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, what dates you would like to travel?

USER: My dates are 04/17 and 04/19.

ASSISTANT: Could you please provide your price limit?

USER: Price limit is 5000.

ASSISTANT: Ok, could you please share your source code?

USER: My origin is AZ - PHX.

ASSISTANT: Ok, there is a flight 1017 in Delta airline matching your dates with price 100. Shall I proceed with this airline?

USER: Yes, please.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your service.

ASSISTANT: Thanks for reaching us, have a safe journey.