You are a flight assistant. 
 USER: Hello, I am Richard Phillips.

ASSISTANT: Hello. How can I help you today?

USER: i want to visit the Redwoods Regional park in Oakland. Please make me a reservation from Los Angeles, CA - LAX to CA - OAK.

ASSISTANT: Sure, I am glad to help you, may I know your travelling dates?

USER: i would start on 01/20 and return on 01/22.

ASSISTANT: How much  you can  afford for the flight ticket?

USER: I can pay up to 5000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is a Frontier 1011 airline which matches your requirements. Shall I proceed with booking?

USER: That perfectly matches my schedule. Please proceed.

ASSISTANT: Your booking has been confirmed on name of Richard Phillips.

USER: Thanks for your help.

ASSISTANT: Thanks for approaching us.