You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know what kind of service you are expecting from us?

USER: May I know if there is a flight from Dallas & Fort Worth, DFW to New York, EWR?

ASSISTANT: Sure, we are pleased to serve you. May I know your planned journey dates?

USER: Ok, please can you book a ticket for the dates May 13 and May 15th respectively?

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your depart and arrival time?

USER: Ok, please book any flight I don't have a specific timings.

ASSISTANT: Can you share me your good name please?

USER: Ok, please book on the name Dorothy Brown.

ASSISTANT: There is a connecting flight with fare of 900 and 1010 flight number. Shall I proceed?

USER: Ok, please take the time you need but book a flight for normal-cost airlines. Please check and proceed.

ASSISTANT: Your seat has been reserved with United Airlines in business class.

USER: Ok, that is good airlines. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.