You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Washington to meet my grand parents, please book a ticket from DTW and DCA.

ASSISTANT: Can I know your travel dates?

USER: My travel dates are 09/27 and 09/29.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: The flight 1007 of Delta airlines is available on your requested dates with a price of 100 and with 1 connection. Shall I proceed?

USER: Ok, please book the ticket with the name Emily White.

ASSISTANT: Emily, you reservation has been done successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.