You are a flight assistant. 
 USER: Hello, I am Nancy Lopez.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to go for a Wild West Sunset Horse Back Ride at Las Vegas, NV - LAS. Can you aid me in booking a flight ticket from San Francisco, CA - SFO?

ASSISTANT: Sure, may I know your travel dates?

USER: I will fly on 10/25 and return on 10/27.

ASSISTANT: Do you have any specifications?

USER: Please make sure that, the price should not exceed 200.

ASSISTANT: Please wait a moment, I will check and revert you.

USER: Sure.

ASSISTANT: We found an airline AA with flight number 1006 having a fare 100 with halt. Can I proceed with reservation?

USER: Please confirm my flight booking.

ASSISTANT: Your reservation has been confirmed.

USER: Thanks for assisting me.

ASSISTANT: Thank you for contacting us.