You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight from EWR to IAH, can you help me out in booking the flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates are from June 30th till July 2nd.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a connecting flight that's it.

ASSISTANT: Do you have any preferences about airline?

USER: No, I don't need any other preferences.

ASSISTANT: Please mention your name.

USER: Myself George Lopez.

ASSISTANT: There are no flights found under your preferable details.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Welcome, have a great day.