You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Benjamin King. I need to book a flight ticket from IAH to ORD. Can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: 11/12 and 11/14 are my trip dates.

ASSISTANT: Do you have any specification?

USER: I need single connection.

ASSISTANT: There is no flight on your details.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thanks for your information.