You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, how can I render you today?

USER: I am Jacob Baker and I need to book a flight ticket to Philadelphia PHL to enjoy long trips with friends. Can you make a reservation with fare 200?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off  airport code?

USER: Sure, I need to depart from Charlotte CLT.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a stopover.

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

USER: I would prefer to fly on 08/19 and 08/21.

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

USER: Sure.

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

USER: Ok, no worries at all. Thank you for your kind service.

ASSISTANT: Thank you for reaching us.