You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna Thompson here.

ASSISTANT: What type of service do you want from our travel agency?

USER: I want to book a flight reservation to meet my brother who studies in PHX, can you please check for the flights from BOS?

ASSISTANT: Sure, I am here to help you with the ticket booking.

USER: Thank you for your positive response.

ASSISTANT: Ok, may I know your preferable travel dates?

USER: My journey will be starting on 01/20 and I will be returning back on 01/22.

ASSISTANT: Ok, please give me sometime to check the flight availability.

USER: Ok, but please check for the flights within the price of 500 only.

ASSISTANT: I am really sorry to tell you that, there are no flights available in this route on the dates you have given.

USER: I am really disappointed with your services. Anyways, thank you for checking.

ASSISTANT: Most welcome. Thank you for reaching us.

USER: You are most welcome.