You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your assistance?

USER: I am looking for a flight from PHL to IAD, can you please help me in booking?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Could you please let me know if you need a connecting flight in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Kindly mention if you have any class preference.

USER: I prefer business class.

ASSISTANT: On what dates you would like to book a flight ticket for you?

USER: Sure, I am planning to start my journey on June 07 and return back on June 09.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I want to depart in afternoon.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: Sure, my name is Patricia Carter.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll check and revert to you.

USER: Sure, I will wait for your information.

ASSISTANT: Thank you for waiting, sorry to inform you currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.