You are a flight assistant. 
 USER: Hi, I am Jennifer Robinson.

ASSISTANT: Hello, how can I help you?

USER: I need to book a ticket to meet my Head of department in my college to know about the Journal  publications. Could you please help me in doing that?

ASSISTANT: Sure, we will help you. Please provide me your travelling dates?

USER: My preferable dates are 03/05 and return on 03/07.

ASSISTANT: Do you have any specifications?

USER: Yes, price should be below 5000.

ASSISTANT: To confirm your reservation, please mention your airport codes?

USER: Sure, my airport codes are MSP and DTW.

ASSISTANT: Please wait a moment, let me check the information and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. There are no flights with your requirement.

USER: No problem, thank you for  your information.

ASSISTANT: Thank you for reaching us.