You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am having a meeting with embassy officers at Washington, can you please book me a ticket with 1 connection limit flight?

ASSISTANT: Sure, can I know the travel dates please?

USER: My preferable journey dates are from 03/28 to 03/30.

ASSISTANT: Could you provide the airport codes please?

USER: My origin airport code is IAH and destination airport code is DCA.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your own time.

ASSISTANT: May I know your name please?

USER: Please reserve my ticket with the name Virginia Turner.

ASSISTANT: Sorry Turner, there are no flights on your dates.

USER: Ok, not an issue. I will find any alternate for this trip to travel.

ASSISTANT: Thank you for approaching us.

USER: Thank you for providing information.