You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Miller.

ASSISTANT: Carol, how may I aid you?

USER: I am planning to visit Washington, DCA to meet my friend, can you please book me the ticket from LAS to DCA?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My planned dates of journey are from 11/12 to 11/14.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines with flight 1014 is providing a connecting flight on your route.

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your support in booking my ticket.

ASSISTANT: Thank you for choosing us.