You are a flight assistant. 
 USER: Hello, I am Anthony Miller.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please reserve me a flight ticket from San Francisco, CA - SFO to Seattle, WA - SEA?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: May I know your price limit please?

USER: I can afford up to 5000.

ASSISTANT: When you are planning to make your journey?

USER: My trip dates are 03/02 - 03/04.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no flights are available on your requested dates.

USER: Not a problem, thank you.

ASSISTANT: Thank you for choosing us.