You are a flight assistant. 
 USER: Hi, Nancy Allen here.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend my sister's wedding in BOS, so can you help me booking flight from CLT?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to start my journey on 06/19 and 06/21.

ASSISTANT: Do you have any specifications?

USER: Provide flight with connection 1 and price 1000.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say that we have not found any flights with your given details.

USER: Oh! it is ok, no problem. Thank you for your services.

ASSISTANT: Thanks for choosing us.