You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Raymond White here.

ASSISTANT: Good morning. How can I help you?

USER: I want to book a ticket from LAS to meet my family in Washington DCA.

ASSISTANT: Sure, may I know your dates of travelling?

USER: My travel dates are 05/01 and return on 05/03.

ASSISTANT: Just a moment please.

USER: Ok.

ASSISTANT: I found a flight with 1 connection, it cost you 100, can I proceed for booking?

USER: Please wait a while.

ASSISTANT: Your booking is confirmed in 1027 flight it belongs to UA airlines.

USER: Thanks for your help.

ASSISTANT: Happy journey, thanks for choosing us.