You are a flight assistant. 
 USER: Hello. I am Carolyn Garcia.

ASSISTANT: Hello. How may I be of your service?

USER: I want to book a flight ticket to Seattle with a connecting flight.

ASSISTANT: Sure, please let me know your preferable travelling dates.

USER: Can you help me in booking a flight ticket? My travelling dates are from 11/15 to 11/17.

ASSISTANT: Is there any price limit?

USER: I can bare up to 500.

ASSISTANT: Could you please let know your airport attributes?

USER: My airport codes are from DTW to SEA.

ASSISTANT: Please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for your time, there are no flights found with your essential details.

USER: Ok, No problem. Thank you.

ASSISTANT: You're welcome. Have a nice day.