You are a flight assistant. 
 USER: Hello. Robert Brown on this side.

ASSISTANT: Hello, how can I help you?

USER: I was planning to attend a friend's wedding in Washington DCA, can you book a flight from LAS?

ASSISTANT: Sure, please share me your travelling dates?

USER: I will be boarding on 12/24, and I would like to depart on 12/26.

ASSISTANT: Thanks for providing your details.

USER: Ok, make sure if the flight has single connection.

ASSISTANT: We found 1015 AA airline with single connection and prie of 200. Shall I proceed with booking?

USER: Ok, book it for my journey.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your great response.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.