You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I have a business in Washington, I have to go there. Can you please provide me a flight?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you for accepting my request. My preferable travel dates are Feb 21 and Feb 23.

ASSISTANT: Can you please help me with your airport codes?

USER: My source and destination airport codes are AUS and IAD.

ASSISTANT: May I know your name to proceed further.

USER: My name is Elizabeth Lopez.

ASSISTANT: May I know your max connection limit?

USER: The maximum connection limit in between my journey should be at least one.

ASSISTANT: Do you need any other requirements?

USER: No, I didn't have any more specifications.

ASSISTANT: Southwest Airlines, flight number:1011 is going on your way with single connection and price:300. Is that Ok for you?

USER: I am ok with this flight to travel, please proceed to reserve the ticket.

ASSISTANT: Your ticket has been booked successfully.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for opting us.