You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking a flight ticket to AUS from IAH?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are from Sept 20 to Sept 22.

ASSISTANT: On which name shall I reserve flight ticket? Do you need any specifications?

USER: Please reserve on the name of Donna King. I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with one connection and the price is 400 in United Airlines, can I proceed with the reservation?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved with the flight number 1001 in economy class.

USER: Thank you.

ASSISTANT:  Thank you for reaching our service.