You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Pamela Lewis. I am planning to travel from PHL to IAD, can you please help me in flight booking?

ASSISTANT:  Sure, Can I know your travelling dates?

USER: I will start on Feb 28, return on Mar 01.

ASSISTANT: Do you need any break?

USER: I want direct flight.

ASSISTANT: May I know your depart and return timings?

USER: My return time should be morning.

ASSISTANT: Give me a minute.

USER: Sure. I need a economy class.

ASSISTANT: Ok. Unfortunately, there are no flights found according to your requirements.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.