You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jeffery Thomas.

ASSISTANT: How can I assist you?

USER:  I want to attend my parent's wedding anniversary party at Philadelphia, so please book my ticket from Orlando.

ASSISTANT: Ok, may I know your date of journey and please provide me the return date too if you prefer?

USER: My trip dates are 05/30 to 06/01.

ASSISTANT: Ok, please let me know the airport codes. May I know it please to check?

USER: My source is CLT and destination is ORD.

ASSISTANT: I am sorry, there are no flights available at your preferred location.

USER: No issue, thank you.

ASSISTANT: Thank you for connecting with our agency.