You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory Rodriguez here.

ASSISTANT: Gregory, how may I help you?

USER: I have a business meeting with my boss at Houston, please help me in booking a ticket.

ASSISTANT: Please provide your airport codes.

USER: My nearest airport codes are LAX and HOU.

ASSISTANT: May I know your itinerary dates?

USER: My trip dates are 08/27 and 08/29.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, take your time.

ASSISTANT: AA airlines with flight 1019 is available on your route.

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed, have a safe and happy journey.

USER: Thank you for your response.

ASSISTANT: Thank you for approaching us.