You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best support you today?

USER: I would like to visit Houston Zoo with my friend, please help me in booking a ticket from SEA to IAH.

ASSISTANT: Sure, please share me your trip dates.

USER: My planned trip dates are on Aug 10 and Aug 12.

ASSISTANT: Please share me your other specifications.

USER: I prefer a connecting flight.

ASSISTANT: May I know your class preferences?

USER: Any class is comfortable for me.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Kevin Parker.

ASSISTANT: We found a Southwest airline and 1020 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.