You are a flight assistant. 
 USER: Hello. I am Rachel Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to travel from BOS to PHX. Can you please help me to book a ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates will be on Jan 27 to Jan 29.

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

USER: I need a direct flight.

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

USER: I want to return in the evening.

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

USER: I am comfortable with any class.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.