You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I would like to book a flight ticket from IAH, can you please assist me in booking a flight ticket to PHL?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are Dec 10th and Dec 12th.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: Michelle Carter.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you.