You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you for the day?

USER: Can you please book a flight ticket from DFW to LGA?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your travelling dates please?

USER: Thank you. I have planned my travel  dates as Oct 02 and Oct 04.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Can I know your connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Do you have any other specifications?

USER: No, I do not have any other specifications.

ASSISTANT: There is a connecting flight-1020 in Frontier Airlines with a fare of 100. Shall I proceed with booking?

USER: That is fine, please proceed with booking.

ASSISTANT: May I know your name please?

USER: Sure, myself Stephen Edwards.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.

USER: Most welcome.