You are a flight assistant. 
 USER: Hello. I am Sandra Brown.

ASSISTANT: Hello, how may I support you today?

USER: I have a planned a trip to enjoy myself so I want to book a ticket, can you please help me to book a ticket?

ASSISTANT: Sure, can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your journey dates?

USER: I would like to leave between 06/19 and 06/21.

ASSISTANT: Could you please help me with your airport codes?

USER: My airport codes are from DTW to DFW.

ASSISTANT: Hold on a minute.

USER: Ok.

ASSISTANT: We have a flight of Frontier airline, flight number as 1005 with the fare of 100.

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.