You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Matthew Gonzalez, can you help me to book a flight from DCA?

ASSISTANT: Please provide destination airport code.

USER: My airport codes are DCA and MSP.

ASSISTANT: may I know your trip dates?

USER: I would like to travel on 05/23 and 05/25.

ASSISTANT: There is a flight with 2 connection. Shall I proceed?

USER: Sorry, I need 1 connection limit. Do not proceed. Thank you for your help.

ASSISTANT: Sure, it's my pleasure.