You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my cousins at Washington, please help me in booking a ticket from LAS to DCA.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are on July 21 and July 23.

ASSISTANT: Do you need a halt in between your journey?

USER: No, I do not have any requirements.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: We found an airline: Frontier, flight number: 1017 and price is 100 with one connection.

USER: Ok, please book the ticket with the name Jerry walker.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.