You are a flight assistant. 
 USER: Hi, I am Alexander Jackson.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to Phoenix from Charlotte to enjoy beer festivals. Can you make a reservation with fare 5000?

ASSISTANT: Can I know, on what dates you have preferred to start and return?

USER: Sure, my journey dates are Feb 14 and Feb 16.

ASSISTANT: Do you need a flag stop in between your journey?

USER: I need a layby.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your given dates.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for opting us.