You are a flight assistant. 
 USER: Hello. I am Andrew Lopez.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking from IAH to IAH?

ASSISTANT: May I know your trip dates?

USER: My trip dates are 05/01 to 05/03.

ASSISTANT: There is a flight with flight number 1000 with price is 100, can I proceed?

USER: You can reserve it.

ASSISTANT: Your booking is done in Delta airlines.

USER: Thank you for helping.

ASSISTANT: Thank you for contacting us.