You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure can you please share your journey dates?

USER: My travelling dates are May 05 and May 07.

ASSISTANT: Kindly mention your airport codes?

USER: My airport codes are LAX and IAH.

ASSISTANT: Do you have any specifications to be met?

USER: I want to prefer economy class.

ASSISTANT: Can I have your name to proceed?

USER: My name is Richard Thompson.

ASSISTANT: We have found a direct flight of American airlines, flight number-1003 class-economy and fare  is 100. Shall I proceed with the booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Sure, your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.