You are a flight assistant. 
 USER: Hi, I am Barbara Anderson.

ASSISTANT: Hello, how may I provide assistance to you at this moment?

USER: I would like to visit Shedd Aquarium to watch the under water beauty and different types of aquatic animals at Chicago. Can you please help me in reserving a ticket?

ASSISTANT:  Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: May I know, how much you can spend for airfare?

USER: I can spend only 500 for my ticket.

ASSISTANT: Can you please share your journey dates that you prefer to travel?

USER: My preferred dates of travel are from 01/15 to 01/17.

ASSISTANT: May I know your genesis and terminus airport codes that you are planning to travel?

USER: My genesis airport is at Boston, MA-BOS. Terminus is at Chicago, IL-ORD.

ASSISTANT: Do you prefer any halt in between the journey?

USER: I do prefer a halt in between my journey.

ASSISTANT: Please wait for couple of minutes, I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no flights were found on your scheduled travel dates.

USER: Ok, no problem. I will try with another alternative.

ASSISTANT: Ok.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us.