You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Gregory Lopez here. I would like to visit MSP, can you help me to book a flight from HOU?

ASSISTANT: Sure Lopez, can I know the travel dates please?

USER: My preferable dates are 04/20 and 04/22.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1025.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.