You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I am Carolyn Scott here. I am planning to meet my friend in Phoenix, PHX. Can you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, may I know your connection preference?

USER: I need a connecting flight in my journey.

ASSISTANT: When are you planning to travel?

USER: My planned travel dates are from June 02 to June 04.

ASSISTANT: Do you prefer an economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Is there any time restriction?

USER: Yes, my depart time and return time should be in the afternoon.

ASSISTANT: Ok, please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way.

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

ASSISTANT: Thank you for opting us.