You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Samuel Martin, can you help me to book a flight from DCA to LAS?

ASSISTANT: Sure, can you share your travel dates please?

USER: My travelling dates are 05/14 and 05/16.

ASSISTANT: Please wait for a moment. Thanks for your patience. I have found Frontier airlines which flies with one connection.

USER: Ok, proceed with booking,.

ASSISTANT: Sure. Yes, I have confirmed your flight ticket.

USER: Thank you.

ASSISTANT: Thank you.