You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Kenneth Thompson here. I would like to visit Washington, can you please help me to book a ticket from SEA to IAD?

ASSISTANT: Sure, may I know your journey dates please?

USER: Ok, my dates of travel is from 01/16 to 01/18.

ASSISTANT: Please give me a minute. I will search for the availability of flights.

USER: Sure, take your time.

ASSISTANT: Thompson, there are no flights available right now due to heavy bookings.

USER: Ok, no problem I will try with the another travelling agency.

ASSISTANT: Thank you for choosing us.