You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Mary Parker. I want to book a ticket from DCA to HOU to meet my uncle, can you help me in booking?

ASSISTANT: Sure, can I know your travel dates?

USER: I am departing on 03/15 and return on 03/17.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: The flight 1004 of spirit airlines is available on your requested dates with a price of 100 and with 1 connection. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Mary, your reservation has been done successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.