You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: My name is Betty Lewis. I have a corporate business meeting to attend at Washington. Can you help me, To book a ticket from Denver, CO - DEN to Washington, DC - IAD?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travel dates are from 06/30 to 07/02.

ASSISTANT: Is there any other specifications?

USER: Yes, I have a price limit of 500. My connections limit has to be 1.

ASSISTANT: Please wait for a moment, I will get back to you.

USER: Sure.

ASSISTANT: There is a flight with an AA airlines and the price of 200 is matching to your information.

USER: Please go ahead and book the ticket.

ASSISTANT: Your flight has been reserved with single connection and the flight number is 1009.

USER: Thank you, For helping me to book a ticket with ease.

ASSISTANT: Thanks for using our service, hope to serve you again.