You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Pamela Roberts here. I would like to visit my sister's children, so can you help me searching flight with connection 1?

ASSISTANT: What are the planned dates of travelling?

USER: My travel starts at 05/26 to 05/28.

ASSISTANT: Please share your origin and destination codes.

USER: My origin code JFK and destination code ATL.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: Sorry to say, according to your resquested dates, no flight is available.

USER: Oh! it's ok. Thank you for your response.

ASSISTANT: Thank you for using our service.