You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Pamela Collins.

ASSISTANT: How may I render you today?

USER:  I want to go for Outdoor trivia race at Dallas & Fort Worth, DFW. Can you help me in my booking?

ASSISTANT: Sure, please tell me your starting and ending dates of your journey?

USER: My journey dates are from 02/14 to 02/16.

ASSISTANT: May I know your source airport code?

USER: My source airport code is Charlotte, NC - CLT.

ASSISTANT: Sorry Pamela Collins, there are no flights available on your requested dates.

USER: Not an issue.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your kind information.