You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am Ashley Adams. Can you please reserve me a flight ticket to Boston, BOS to visit Safeway park?

ASSISTANT: Sure, may I know when are you planning to travel?

USER: I will start on 09/26 and return on 09/28.

ASSISTANT: Do you have any specifications?

USER: I can bare up to 500. I need a lay by in between my journey.

ASSISTANT: Help me with your boarding airport code to proceed further.

USER: My take off airport code is Denver,DEN.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with UA airline, flight number 1008 with fare 100 and a lay by.

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.