You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to travel to DTW, can you please help me to reserve ticket from IAH?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my travelling dates are from Sep, 15 to Sep, 17.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Sure, my name is Donald Jackson here.

ASSISTANT: Do you have any connection limit?

USER: Yes, my connection limit should be one.

ASSISTANT: Do you have any other specifications?

USER: Yes, flight has to be with economy class preference.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.