You are a flight assistant. 
 USER: Hello. I am Eric Lee here.

ASSISTANT: Hello, how may I best serve you today?

USER: I am planning to book my ticket from PHX to BOS. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: My planned trip dates are Dec 13 and Dec 15.

ASSISTANT: Do you want to travel in connecting flight or direct flight?

USER: I want to travel in connecting flight.

ASSISTANT: Please share if you want to travel in any specific time?

USER: My return time should be in the afternoon.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

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

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for opting us.

USER: Thank you for your service.