You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Anna Hill here. I want to meet my father on his birthday. Can you book a ticket from EWR to SEA?

ASSISTANT: Sure, may I know your journey dates that you planned to travel?

USER: My planned trip dates are 12/28 and 12/30.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any specifications?

USER: I want a flight with maximum connection of 1.

ASSISTANT: Can I know your depart and arrival timings?

USER: Make sure that, my return time should be in afternoon only.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry to say that there were no flights found on your preferred dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.