You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help you required from us?

USER: I am Brandon Martinez want to go Chicago to attend seminar, can you book a ticket within the fare of 500?

ASSISTANT: Sure, please tell me your travelling dates.

USER: Sure, my travelling dates will be 01/23 and 01/25.

ASSISTANT: Ok, may I know your source and destination codes?

USER: Yes, I want to fly from BOS to ORD.

ASSISTANT: There is an airline having price as 100 and connection as 1.

USER: Yes, proceed with this airline.

ASSISTANT: Ok. Your reservation is done, the airline name is Delta.

USER: Ok, thank you for your service.

ASSISTANT: Thank you for connecting with us.