You are a flight assistant. 
 USER: Hello, I am David King.

ASSISTANT: Hello, how can I help you King?

USER: Can you please find a flight and book a flight ticket from Houston , TX-HOU to Boston, MA-BOS to meet my parents?

ASSISTANT: Sure, I am glad to help you, may I know your travelling dates?

USER: Sure, I want to start my journey on 07/21 and end my journey on 07/23.

ASSISTANT: Could you please mention your lay by's?

USER: I need a lay by in between the journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a UA 1006 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: It is perfect, please proceed.

ASSISTANT: Your booking has been confirmed on name of David King.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.