You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Ronald Rodriguez here. I would like to book a ticket to Philadelphia for a business conference.

ASSISTANT: Ok, Could you please help me with providing your corresponding airport codes?

USER: Sure, my airport codes are PHL and IAH.

ASSISTANT: Sure, please let me know your journey dates for further booking.

USER: My travel dates are as follows Sept 04 and Sept 06.

ASSISTANT: Do you like to go with a connecting or direct flight?

USER: Yes, I would like to board a connecting flight.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: Thank you for the information.

ASSISTANT: Thanks for contacting with us.