You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to attend a Seminar in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My travelling dates are Jan 04 and Jan 06.

ASSISTANT: Can you please mention your source and destination airport codes?

USER: My airport codes are DTW and PHL.

ASSISTANT: Do you have any airline preference?

USER: I would prefer normal cost airline.

ASSISTANT: May I know your name please?

USER: I am Emma Turner.

ASSISTANT: Do you have any connection limit?

USER: I need single connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.