You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Larry Mitchell. I want to book a  direct flight ticket to attend an emergency case.Can you help me?

ASSISTANT: Sure, I am here to help you with the ticket booking.

USER: Thank you.

ASSISTANT: Which airports do you prefer to travel?

USER: ATL and LAX are my airport codes.

ASSISTANT: Ok, do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, may I know your scheduled travel dates please?

USER: 07/13 and 07/15 are my travelling dates.

ASSISTANT: Ok, how may number of connections do you want in between your journey?

USER: I need a direct flight.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: There is a direct flight in this route which is departing in the afternoon time and the ticket fare is 100. Shall I proceed with the ticket booking?

USER: You can reserve it.

ASSISTANT: Your ticket is booked with the flight number 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.