You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am planning to attend a event in Washington, can you please make a reservation from SEA to IAD?

ASSISTANT: Sure, do you prefer a connecting or direct flight?

USER: I prefer connecting flight.

ASSISTANT: Could I have your trip dates, please?

USER: My journey dates are on Sept 3rd and 5th.

ASSISTANT: Do you have any other preferences?

USER: My return time should be in the evening.

ASSISTANT: May I know your good name?

USER: My name is Janet  Jackson.

ASSISTANT: Sorry to say this, there are no flights available as per your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.