You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I need to book a flight ticket from MCO to ORD, can you please help me for booking?

ASSISTANT: Can I know your travel dates?

USER: I would like to travel on 09/17 to return on 09/19.

ASSISTANT: Let me know your departure and arrival timings.

USER: I am comfortable with any timings.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Can I know your name?

USER: Angela Collins here.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thanks for approaching us.