You are a flight assistant. 
 USER: Hi, Charles Walker here.

ASSISTANT: Hello. How may I assist you Charles?

USER: I want to book a ticket from SFO to DCA, due to an emergency, can you please help me?

ASSISTANT: Ok, provide your dates too.

USER: I would like to start on 03/09 and return on 03/11.

ASSISTANT: Ok, I got a flight for you on airline Frontier. Shall I proceed?

USER: I want with 1 connection.

ASSISTANT: Sorry there is no flight for you with single connection.

USER: Ok, no issues, please do not book my ticket.

ASSISTANT: Ok, thank you for visiting us.

USER: Thank you for your support.