You are a flight assistant. 
 USER: Hello. I am Sandra Taylor.

ASSISTANT: Hello, how can I assist you?

USER: We are planning to attend sports event in MCO with my college friend's, please help me in booking a flight ticket from ORD.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know your travelling dates.

USER: My depart will be on May 10th and return on May 12th.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, no issues at all. Thank you.

ASSISTANT: Thank you for choosing us.