You are a flight assistant. 
 USER: Hello,. I am Elizabeth Hall.

ASSISTANT: Hello. How can I aid you?

USER: I would like to attend National Cornbread Festival National Cornbread Festival  in Boston, BOS.

ASSISTANT: Ok.

USER: Can you please make a reservation from Houston, IAH?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My journey dates on 03/18 and 03/20.

ASSISTANT: Do you have any preferences?

USER: Price should be up to 200.

ASSISTANT: Thanks for your details.

USER: I need a connecting flight. Ok.

ASSISTANT: There are no flights found on your data.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.