You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from DCA to LAS for my business trip, can you please help me out with that?

ASSISTANT: Please share me your planned journey dates?

USER: Thank you, my departure is on Feb 01 and please book my return ticket on Feb 03.

ASSISTANT: Please mention your connection limit?

USER: I will prefer single connection.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: I found a connecting flight 1001 of airline Delta, fare is 100 and class is economy. Shall I proceed with booking?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: May I know your name to complete the booking?

USER: Sure, my name is Mary Turner.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us, we hope see you again.