You are a flight assistant. 
 USER: Hi, I am Christopher Wright.

ASSISTANT: Hello. How can I aid you?

USER:  I want to do research on a project at NASA space center at Houston, HOU. Can you help me to book a flight from Bostron, BOS?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I want to fly on 07/08 and recur on 07/10.

ASSISTANT: Do you need any stop over?

USER: I need a direct flight.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.