You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please book me a ticket from IAD to DCA.

ASSISTANT: Sure, we are mirthful to help you. On which dates would you like me to book a flight ticket for you?

USER: I will leave on June 30th and return on July 2nd.

ASSISTANT: May I know your max connection limit?

USER: I need 1 lay by in between.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: I am Charles Miller.

ASSISTANT: There is a flight available for the mentioned and also which match your needs, Jetblue Airlines is having a connecting flight with 1022 flight number and airfare is 200. Are you comfortable with this flight?

USER: Fine, please go ahead.

ASSISTANT: Your ticket has been booked successfully.

USER: Thanks for your support.

ASSISTANT: Thank you for contacting us.