You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mary Garcia.

ASSISTANT: How can I help you?

USER: I need to attend my relatives marriage on dates of 10/08 and 10/10.

ASSISTANT: Can I know your airport codes?

USER: Sure, my airport codes from OAK to IAH.

ASSISTANT: Give me a minute, let me check the details.

USER: Sure. I prefer flight with 1 connection.

ASSISTANT: The flight 1007 of Delta airlines is available on your requested dates. Shall I book the ticket?

USER: Yes, you can book ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for all your valuable information.

ASSISTANT: Welcome.