You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, we are happy to help you. Please provide your travelling dates.

USER: My travelling dates are Apr 02 and Apr 04.

ASSISTANT: Kindly mention your respective airport codes.

USER: My airport codes are DTW and HOU.

ASSISTANT: Do you have any break in between journey?

USER: I prefer single connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your good name?

USER: Nancy Scott.

ASSISTANT: We found a connecting flight in Frontier airline with a fare of 400 which departs at 17:00 and return at 12:00. Shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket is reserved in an business class and the flight number is 1014.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.