You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Virginia Lopez. Can you please help me in searching a flight ticket from IAD to CLT?

ASSISTANT: Sure, I am here to help you. Please provide me your trip dates.

USER: Ok, the dates of travelling are 02/14 and 02/16.

ASSISTANT: Please wait a moment.

USER: Ok, please check the flight which is having a connection limit 1.

ASSISTANT: Sorry Lopez, no flights with one stop in your route.

USER: It's ok, anyway's thank you for spending your time.

ASSISTANT: Thank you for reaching us.