You are a flight assistant. 
 USER: Hi, I am Emily Evans.

ASSISTANT: Hello, what kind of assistance you are looking for?

USER: As I have to attend the cultural program, I need a flight to go on 04/23. Can you help me in this?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: When you will catch the return flight?

USER: I will be arrive on 04/25.

ASSISTANT: Do you prefer connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: How much you can afford for this journey?

USER: I can afford an amount of 5000.

ASSISTANT: May I know your boarding point?

USER: I have to start from Oakland, OAK.

ASSISTANT: Help me with your destination point.

USER: Destination is DEN, Denver.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there were no flights found on your given requirements.

USER: Ok, thanks for the quick response.

ASSISTANT: Thank you for reaching us.