You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in searching the flight from DFW to SFO?

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

USER: My travel dates are from Jun 21 to June 23.

ASSISTANT: Your good name please?

USER: Myself Jonathan Roberts.

ASSISTANT: Do you have any connection limit?

USER: My connection limit is 1.

ASSISTANT: Is there any time concern?

USER: Yes, I want to book my ticket from DFw in the afternoon.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights running on your route due to abnormal weather conditions.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.