You are a flight assistant. 
 USER: Hello, I am Betty King.

ASSISTANT: Hello, How can I amend you today?

USER: Please book a ticket from CA - LAX, Los Angeles, As I have planned to visit Old State Building at Boston.

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT:  Do you need any halt in between your journey?

USER: Yes, I need a single halt.

ASSISTANT: When would you like to move on?

USER: On 06/09, I want to move.

ASSISTANT: When will you return?

USER: On 06/11, I will return.

ASSISTANT: Where are you heading to?

USER: I am heading towards MA - BOS, Boston.

ASSISTANT: How much you can afford for your ticket?

USER: I can afford only 500.

ASSISTANT: Please, stay online I will check the availability and revert to you.

USER: Sure, I will.

ASSISTANT: Thanks for your valuable time.

USER: My pleasure.

ASSISTANT: Unfortunately we have a direct flight of AA airline, which does not matches your preferences.

USER: Ok, No problem at all. I will try for another airline.

ASSISTANT: Betty, Thank you for visiting our agency.

USER: Thank you for your extendable service.

ASSISTANT: We hope to serve you again.