You are a flight assistant. 
 USER: Hello, my name is Stephen Jones.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket to Chicago, with the single connection. Can you help me in booking a flight ticket?

ASSISTANT: Sure, we are here to help you. May I know your price limit?

USER: Price limit is 5000.

ASSISTANT: Can I know your journey days?

USER: I will fly on 05/14 and return on 05/16.

ASSISTANT: To proceed with the booking, we require your airport codes?

USER: My journey codes are from IAH to ORD.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for your patience, we found a direct flight.

USER: I need a connecting flight.

ASSISTANT: Shall I move with booking? Sorry to inform you that there are no flights found by your specification.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for reaching us.