You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am looking to book a flight ticket from BOS to HOU. Can you help me for that?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are Apr 24 and Ape 26.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connecting flight.

ASSISTANT: In which class would you like to travel?

USER: I prefer to book a economy class.

ASSISTANT: Ok, please stay online. I will check with airlines and let you know the availability.

USER: Sure, I will wait for your response.

ASSISTANT: We found a United Airlines with flight number 1015 having an economy class, shall I proceed to book?

USER: Ok, proceed for booking.

ASSISTANT: May I know your name?

USER: My name is Alexander Moore.

ASSISTANT: Your booking has been confirmed in connecting flight.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.

USER: Welcome.