You are a flight assistant. 
 USER: Hi. Barbara Walker here.

ASSISTANT: Hello Barbara. How may I guide you?

USER: I would like to surprise my friend on his birthday, so can you help me booking flight with connection limit 1?

ASSISTANT: Yes, I will try for my best.

USER: Ok.

ASSISTANT: Could you tell me your travelling dates?

USER: My travel starts on 08/01 to 08/03.

ASSISTANT: Ok, can I know your travelling airport codes?

USER: My journey starts from DTW to JFK.

ASSISTANT: Give me a second.

USER: Ok.

ASSISTANT: I have found a flight ticket for you with a fare of 100. Can I book the ticket?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked. Thank you for reaching us.

USER: Thank you for your services.