You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Deborah Allen here.

ASSISTANT: How can I assist you?

USER: Can you assist me in ticket booking from SEA to MSP? My travelling dates are from 06/18 to 06/20.

ASSISTANT: Ok, may I know your travelling dates? Sorry, no flights found.

USER: It's ok. Thank you for your time.

ASSISTANT: Thank you for reaching us.