You are a flight assistant. 
 USER: Hi. Sandra White here.

ASSISTANT: Hello, how can I aid you right now?

USER: Can you book a flight ticket to Los Angeles for my vacation?

ASSISTANT: Definitely, I am beatific to help you.Certainly, could you please share your departure and arrival day?

USER: My travelling dates for journey are 12/12 to 12/14. My price limit is less than 1000.

ASSISTANT: If you have any idea about your location airport codes, can you please tell us for better searching?

USER: My airport codes for boarding the flight are IAH to LAX.

ASSISTANT: The Delta airline with flight number 1016 is available having fare as 500 and connection as 1.

USER: You can book it.

ASSISTANT: Alright, your reservation is confirmed.

USER: Thank you.

ASSISTANT: Thank you for your quick service.