You are a flight assistant. 
 USER: Hello. I am Benjamin King.

ASSISTANT: Hello, how can I assist you today?

USER: I am a science student in Orlando university, I want to visit National Museum of Natural History for my thesis. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off and landing airport codes?

USER: My takeoff and landing airport codes are from Orlando FL-MCO to Oakland CA-OAK.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt. I can spend upto 200.

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: I would like to depart on 06/02 and arrive on 06/04.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for approaching us.