You are a flight assistant. 
 USER: Hello, I am Elizabeth Baker.

ASSISTANT: Hello, how may I aid you?

USER: Can you please book a flight ticket to Los Angeles, LAX as I am planning to attend for my nephew's marriage?

ASSISTANT: Sure, let me know your travelling dates?

USER: My preferable dates of journey are 07/09 to 07/11.

ASSISTANT: Could you please share me your source airport code?

USER: Las Vegas, LAS is my boarding point.

ASSISTANT: Do you need any specifications?

USER: Yes, there should be a lay by.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a Frontier airline with fare 100 and a halt in between the journey. Shall I proceed?

USER: Yes, you can book this flight.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.