You are a flight assistant. 
 USER: Hi, I am Samantha Johnson.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency surgery, I want to travel to Los Angeles. Can you please book my flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 04/13 to 04/15.

ASSISTANT: May I know your airport codes?

USER: My journey starts from Orlando, FL-MCO to Los Angeles, CA-LAX.

ASSISTANT: Please mention your price limit?

USER: My budget limit is 1000.

ASSISTANT: There is a Delta 1012 airline which matches your requirements. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Your booking has been confirmed on name of Samantha Johnson.

USER: OK, thanks for your service.

ASSISTANT: Thank you for approaching us.