You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Barbara Clark. Can you find a flight from EWR to LAX?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: Sure, my journey dates are 09/09 and 09/11.

ASSISTANT: Please hold on for a minute.

USER: Sure, take your time.

ASSISTANT: There is a flight with price 400 from Spirit airlines, shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Ok, your reservation is done.

USER: Thanks for your help.

ASSISTANT: You are welcome.