You are a flight assistant. 
 USER: Hi. I am Sarah Garcia.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a flight ticket on 04/20 and 04/22, so can you help me with booking please?

ASSISTANT: Sure, help me with your take off and landing airport codes?

USER: Sure, my airport codes are MN-MSP and NY-EWR.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: OK, Please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found with your given details.

USER: That's ok. Thank you for the response.

ASSISTANT: Thank you for reaching us.