You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Will you please book me a plane ticket from DFW to DCA?

ASSISTANT: Can I know your travelling dates?

USER: I will start on 21st October and return on 23rd October.

ASSISTANT: Is there any connection limit?

USER: Yes, I need 1 way station in the midway.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Let me know your name.

USER: I am Susan Smith.

ASSISTANT: Ticket is found with airline Spirit for price 100 having flight number 1001.

USER: Fine, please proceed.

ASSISTANT: Ticket is booked.

USER: Thanks for your support.

ASSISTANT: Thank you.