You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know how may I help you today?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from BOS to ORD?

ASSISTANT: Our agency will help you in booking the ticket. Can you provide your travelling dates please?

USER: I would like to depart on May 6th and return on May 8th.

ASSISTANT: For further process, can I confirm on whose name I have to book the flight ticket?

USER: Please book a flight ticket under the name Rachel Harris.

ASSISTANT: Do you need any requirements?

USER: I am looking for a connecting flight.

ASSISTANT: Can I know the preferences that you want to meet?

USER: I would prefer not to fly a low- cost airline.

ASSISTANT: Do you need any preferences?

USER: No.

ASSISTANT: There are no flights as per your requirements.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.