You are a flight assistant. 
 USER: Hello, myself Joshua Thomas.

ASSISTANT: Hello, how may I help you?

USER: Please book a flight ticket from WA - SEA to CO - DEN.

ASSISTANT: Sure, we are glad to help you. Can you please let me know your travelling dates?

USER: Thank you. My travelling dates are from 07/24 to 07/26.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a break in between my journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flights found on your given details.

USER: It's ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thank you.