You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am Amanda Williams. I want to see Arboretum and Nature Center at Houston, can yo help me in booking a ticket?

ASSISTANT: Sure. Could you help me with your airport codes?

USER: My airport codes are from New York, NY-LGA to Houston, TX-IAH.

ASSISTANT: Will you provide your travelling dates?

USER: My travelling dates are from 12/17 to 12/19.

ASSISTANT: We found a flight of delta airline, flight number as 1002 with the fare of 200. Can I book it?

USER: Please book my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank for opting us.