You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Please let me know, What kind of service you are looking for today?

USER: I want to attend my Colleague's ring ceremony, can you book a ticket on dates 11/22 and 11/24?

ASSISTANT: Sure, I can help you to make your journey successful.

USER: Thank you for your response.

ASSISTANT: Kindly assign your corresponding airport codes?

USER: My airport codes are PHL-BOS.

ASSISTANT: Which flight you have preferred to travel i.e., a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: If you can help me with your name, I can begin looking up for the availability of flights.

USER: Myself Melissa Thompson.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I do not have any other preferences.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No issue, thanks for the information.

ASSISTANT: Thank you for reaching us, hope to serve you better next time.