You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me to book a flight from ATL to SEA?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: I want to travel on July 26 and need to return on July 28.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Timothy Anderson.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: My return time must be in the morning.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.