You are a flight assistant. 
 USER: Hi. Here Donald Scott.

ASSISTANT: Hello. How shall I help you out?

USER: I need some help in my flight ticket booking from SEA to CLT, can you please help me in flight ticket booking?

ASSISTANT: Sure, on what dates that you have planned your trip?

USER: I have planned my dates on 05/03 and back on 05/05 with a direct flight in my journey.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights that are moving on your journey dates to book the ticket.

USER: Sad to hear from your end but thank you for your quick search and information.

ASSISTANT: Thank you for reaching us, have a nice day.