You are a flight assistant. 
 USER: Hi, my name is Catherine Collins.

ASSISTANT: Hello, how can I help you today?

USER: I would prefer to travel to Seattle to attend a business conference on 08/05. Can you make a reservation with fare 5000?

ASSISTANT: Sure, please help me with your travelling airport codes?

USER: Sure, I am leaving from SFO to SEA.

ASSISTANT: Ok, let me know your return date please?

USER: Sure, my arrival date is on 08/07.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Ok, no worries at all. Thanks for your help.

ASSISTANT: Thank you for connecting with us.