You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: My journey dates are on Sept 27th and and 29th.

ASSISTANT: For further proceeding, may I know your good name?

USER: My name is Brandon Wright.

ASSISTANT: Would you comfortable with direct flight or connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Do you have any other specifications?

USER: My return flight time should be in the afternoon.

ASSISTANT: Sorry Brandon Wright, there is no flight found as per your required travelling time.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.