You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I would like to visit Haunted Austin evening adventure at Austin, TX - AUS. Can you please book me a flight ticket from Boston, MA - BOS?

ASSISTANT: Sure, please provide your travelling days?

USER: My travelling dates are 06/24 and 06/26.

ASSISTANT: May I know your good name?

USER: Betty Moore is my name.

ASSISTANT: Thank you for your information, Unfortunately there are no flights available with your required days.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thank you for your response.