You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I need a connecting flight for my journey to Seattle in February month to attend a seminar. Can you please assist me in booking a flight ticket?

ASSISTANT: Ok, may I know your planned dates?

USER: Sure, my planned dates of journey are Feb 18 and Feb 20.

ASSISTANT: May I know your airport codes too?

USER: Sure, my airport codes are BOS and SEA.

ASSISTANT: Sorry, no flights are available for your journey. Thank you for connecting with our agency assistance.

USER: Not a problem with that, anyways thank you for the information.

ASSISTANT: May I know your name?

USER: Yes, I am Kathleen Anderson.

ASSISTANT: Have a nice day.