You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you for today?

USER: I am Lisa Mitchell. In this vacation, I would like to go Boston, so can you help me booking flight from MCO to BOS?

ASSISTANT: Yes, I can help you with that.

USER: Thank you.

ASSISTANT: Can you tell me your travelling dates?

USER: My travelling dates are 10/24 and 10/26.

ASSISTANT: Give me a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to inform you that there are no flights found on your requirement.

USER: Oh! It's ok, no problem I will complete my journey in another way, anyway thank you for your services.

ASSISTANT: Thank you for consulting us.