You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Jerry Carter. I want to book a ticket from IAD to HOU, can you please help me with that?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I want to depart on Sept 26th and arrive on Sept 28th.

ASSISTANT: May I know your connections limit?

USER: I am comfortable with any connection.

ASSISTANT: Sorry to say, no flight is available for you.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.