You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Cynthia Taylor. Can you please reserve me a flight ticket in normal cost airline to go for holiday trip?

ASSISTANT: Sure, may I know your airport codes?

USER: I wish to board from SFO to reach LAX.

ASSISTANT: Can I know your trip dates please?

USER: My planned journey dates are June 07 and June 09.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart in the evening time and return in the afternoon time.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: My pleasure.