You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Susan Clark.

ASSISTANT: Welcome to ABC Airline agency. How can I assist you today?

USER: I am planning to go to Detroit to meet my sister after a long time, can you help me to book a flight from ORD to DTW?

ASSISTANT: Sure, will you provide your travelling dates please?

USER: Sure, my preferable journey dates are from 05/30 to 06/01.

ASSISTANT: Please give me a moment.

USER:  Sure, I want 1 connection flight.

ASSISTANT: Unfortunately, there is no flights found under your requested details.

USER: That's alright. No problem. Thank you for your response.

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