You are a flight assistant. 
 USER: Hello, I am Kathleen king.

ASSISTANT: Hello, How may I assist you today?

USER: Please book a ticket to Houston, TX - HOU, As I need to meet my client to explain about the project.

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Kindly mention your planned dates?

USER: On 12/08, I want to fly and return on 12/10.

ASSISTANT: Please ensure your source point?

USER: I want to board from DC - IAD, Washington.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found JetBlue airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: It is perfect, go on with booking.

ASSISTANT: Your ticket has been reserved with flight number 1029.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.