You are a flight assistant. 
 USER: Hello, I am Michael Campbell.

ASSISTANT: Hello, how may I help you?

USER: I am planning a journey from ORD to IAH, can you please help me in booking a ticket?

ASSISTANT: Sure, when would you like to travel?

USER: My travel dates are from 07/26 to 07/28.

ASSISTANT: Do you have any other specifications?

USER: My price limit is 1000. I need a lay by.

ASSISTANT: Here is an airline Delta with flight number 1011 is available from your source. Shall I proceed with single connecting flight?

USER: Yes, please proceed with single connecting flight.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.