You are a flight assistant. 
 USER: Hi. I am Jacob Baker.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me in booking from IAH to DFW, as there is a business meeting to attend at Dallas?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are 01/26 to 01/28.

ASSISTANT: There is a connecting flight with number 1000 in airline Spirit, the fare is 200.

USER: You can reserve it.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping.

ASSISTANT: Thank you for opting us.