You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today? May I know your good name please?

USER: My name is Eric Hernandez and I am planning to attend a seminar in Temple University at Philadelphia, can you please make a reservation within the fare of 5000?

ASSISTANT: Sure, please mention your journey dates?

USER: The journey dates are 08/22 and 08/24.

ASSISTANT: Is there any limitations in connection limit?

USER: I need one connection in my journey.

ASSISTANT: Kindly mention your airport codes?

USER: The airport codes are BOS and PHL.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We are sorry to inform you, we did not find any flights matching your criteria.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us. Have a nice day.