You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you help me in doing a reservation from IAD to BOS?

ASSISTANT: Sure, may I know your good name please?

USER: I am Donna Thompson.

ASSISTANT: When do you want to travel?

USER: I am willing to travel from Sep 18 and return on Sep 20.

ASSISTANT: Is there any connection limit for you?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a connecting flight 1007 in Spirit airlines at the price of 100 with economy class. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.