You are a flight assistant. 
 USER: Hello. I am Mary Hill.

ASSISTANT: Hello, how may I help you?

USER: I want to travel Charlotte in the month of January for attending an event over there. Can you help me to book a flight ticket from Los Angeles?

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, my trip dates are 01/14 and 01/16.

ASSISTANT: Can I know your airport codes?

USER: Sure, my airport codes are LAX and CLT.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 300 which is provided by Delta airlines. Would you like to book this flight for your journey?

USER: Yes, I would like to book this flight for my journey.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your services.

ASSISTANT: Most welcome.