You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you?

USER: I am Emily Lewis.

ASSISTANT: Ok.

USER: I am a dancer and would like to participate in the folk festival with my team members in Seattle. Could you please assist me in booking a flight ticket?

ASSISTANT: Sure, we are perky to assist you.

USER: Thank you.

ASSISTANT: Do you require any stopovers in between journey?

USER:  I need a direct flight.

ASSISTANT: Kindly assign your corresponding airport codes.

USER: My source code is Atlanta GA-ATL and destination code is Seattle WA-SEA.

ASSISTANT: Ok, when are you planning to make your journey?

USER: I am planning to make my journey on 12/25 and arrive on 12/27.

ASSISTANT: Thanks for providing details, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for the time, no flights are available on respective dates of travel.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.