You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sandra Hall.

ASSISTANT: How may I help you?

USER: I want to book a flight ticket from CA-SFO to NV-LAS. Can you help me?

ASSISTANT: Sure, can I have your trip dates?

USER: 05/30 and 06/01 are my travelling dates.

ASSISTANT: Do you have any price limit for this trip?

USER: 1000 is my fare.

ASSISTANT: We have found a flight in an airline AA with 1019 number having a single connection price of 200. Shall I reserve?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a safe flight.