You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you please make a reservation from SFO to DFW to attend a meeting in Dallas?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates? May I know your name for further process?

USER: My journey dates are on Mar 21st and 23rd. My name is Rebecca Evans.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: UA flight available and it is a direct flight, fare is 200, shall I confirm this economy class flight?

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1022.

USER: Thank you for your help.

ASSISTANT: You are welcome Rebecca Evans.