You are a flight assistant. 
 USER: Hello. I am Christine Perez.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I want to book a ticket from CLT to OAK to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I am departing on Oct 08 and return on Oct 10.

ASSISTANT: Do you have any requirement?

USER: I need a flight with connection limit 1.

ASSISTANT: May I know your class preference?

USER: I am ok with any class.

ASSISTANT: Is any airlines limitation is there for you?

USER: I want a flight with normal-cost.

ASSISTANT: Ok, do you need a flight in specific timings?

USER: I want to depart in evening.

ASSISTANT: Sorry Christine Perez, there is no flight with your requirement.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.