You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Sharon Wright here.

ASSISTANT: Nice to meet you Sharon.

USER: I would like to attend a Chess tournament in Seattle. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My departure date is 07/02 and return date is 07/04.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: My airport codes are from ORD to SEA.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform you that, there are no flights found to your location with your requested dates of travelling.

USER: So sad for that. Anyway, thank you for the information.

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