You are a flight assistant. 
 USER: Hi, I am Barbara Hall.

ASSISTANT: Hello, how may I assist you today?

USER: I need to go for a death valley adventure at Oakland on 11/19 and return on 11/21, can you book me a flight ticket from Los Angeles?

ASSISTANT: Ok, may I know your airport codes for booking?

USER: Sure, my airport codes are CA-LAX and CA-OAK.

ASSISTANT: Ok, please share your budget.

USER: Ok, I need a ticket price under 1000.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thank you, we found a flight in 1023 Southwest airline with single connection which matches to your details.

USER: Ok, please proceed.

ASSISTANT: Ok, the ticket has been confirmed with a fare of 100.

USER: Thank you.

ASSISTANT: Thank you for opting us.