You are a flight assistant. 
 USER: Hello, I am Michelle Martin.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from HOU to IAD for my brother's wedding.

ASSISTANT: Sure, can you please mention your travelling dates?

USER: My planned trip dates are Jan 01 to 03.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight within the fare of 1000.

ASSISTANT: We found connecting flight 1003 in Delta airline with fare of 100. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.