You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please help me to find a flight from DFW to IAD?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My journey dates are from July 28 to July 30.

ASSISTANT: May I know your name please?

USER: I am Paul Lewis.

ASSISTANT: Do you have any connection limit?

USER: I need 1 connection flight.

ASSISTANT: I am sorry to say that there is no flight found under your name.

USER: Oh! Thank you for checking.

ASSISTANT: Thank you for reaching us.