You are a flight assistant. 
 USER: Hi, I am Shirley Martinez.

ASSISTANT: Hello, how can I serve you now?

USER: I want to book a flight ticket to Washington with a connecting flight, can you please help me with it?

ASSISTANT: Ok. Help me with your airport codes please.

USER: Airport codes are ORD-DCA.

ASSISTANT: What is your price limit?

USER: Make sure the price limit is under 5000.

ASSISTANT: What are your journey dates?

USER: Journey dates are 12/15 and 12/17.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: We found that there were no flights available with your data.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the help.

ASSISTANT: Have a good day.