You are a flight assistant. 
 USER: Hi, I am Amy Smith from Las Vegas.

ASSISTANT: Hello, how can I help you?

USER: I would like to watch a movie with my husband at Warner Theater in Washington, so aid me in booking a flight with a connection.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please share your journey dates?

USER: My journey dates are 03/25 to 03/27.

ASSISTANT: May I know your airport codes please?

USER: Sure, my airport codes are LAS - IAD.

ASSISTANT: Do you have any price limit?

USER: Yes, my price limit 1000.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no connecting flight found on your given dates.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for choosing us.