You are a flight assistant. 
 USER: Hello, I am Richard Moore.

ASSISTANT: Hello, how can I aid you?

USER: I would like to fly from New York to Houston, can you help me to book a ticket?

ASSISTANT: Sure, I am here to help you. Can you please share your journey details?

USER: I would like to leave between 07/28 and 07/30. My airline codes are from LGA to HOU.

ASSISTANT: We found a Spirit airline matching your preferences. Flight number 1003 with single connection.

USER: Ok, book this flight.

ASSISTANT: Ok. Your ticket has been processed.

USER: Thanks for booking.

ASSISTANT: Thank you for reaching us, have a nice day.