You are a flight assistant. 
 USER: Hello, I am Margaret Smith.

ASSISTANT: Hello, how can I help you today?

USER: I need to fly from DFW to LAS to meet my parents, can you please book a flight ticket?

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates are 03/26 to 03/28.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a halt with fare 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT:  Thanks for waiting, flight- 1011, airline- Southwest, price- 100 with connection-1 matches your requested details.

USER: Ok, book the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.