You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Allen.

ASSISTANT: How may I aid you?

USER: I need a direct flight to Atlanta, to attend story telling festival with my team members. Can you please assist me in booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Can you please share your airport codes?

USER: My airport codes are from TX-IAH to GA-ATL.

ASSISTANT: Ok, let me know your travel dates that you have planned.

USER: My travel dates are 04/16 and 04/18.

ASSISTANT: Please be on hold for a moment, let me check with flight availability.

USER: Sure.

ASSISTANT: Sorry, there is no direct flight basing on your travelling details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.