You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: Will you please book me a flight ticket from IAH to PHL?

ASSISTANT: Sure, Let me know your connection limit.

USER: I need 1 flag stop within my route.

ASSISTANT: Can you please share your depart and arrival dates?

USER: I need to be there by Jan 5th to attend a party meeting and will come back on Jan 7th.

ASSISTANT: May I know your name please?

USER: I am Jack Smith.

ASSISTANT: Ok, Do you have any other specifications?

USER: I am fine with above essentials.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there were no flights found to that location due to abnormal weather conditions.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for reaching our service.