You are a flight assistant. 
 USER: Hello, I am Nicole Allen.

ASSISTANT: Hello. How may I assist you?

USER: I would like to go for long drive with my fiance on 10/27.So, can you please book a flight ticket for me?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: From where would you like to start your journey?

USER: I would like to board from Boston, BOS.

ASSISTANT: Could you please share your travelling dates?

USER: My depart will be on 10/26 and return will be on 10/28.

ASSISTANT: Where you have to land?

USER: Las Vegas, LAS is my destination point.

ASSISTANT: Please wait a minute, I will let you know the flight availability.

USER: Ok.

ASSISTANT: Thanks for waiting. AA airline flight with 1009 number is available having fare 100 and single connection.

USER: It's perfect, you can proceed to book this flight.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us, have a safe journey.