You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Nelson here.

ASSISTANT: How may I help you out?

USER: Can you help me to find a flight from JFK to LAX?

ASSISTANT: Sure, I will help you in booking. May I know your travelling dates please?

USER: My travelling dates are 12/09 and 12/11.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.