You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please check for the flights from IAH to JKF for my trip?

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are from Apr 5th to Apr 7th.

ASSISTANT: Please let me know your connection limit?

USER: I need a single connection flight.

ASSISTANT: Tell me your name please?

USER: I am Dennis Mitchell.

ASSISTANT: Do you have any other preference?

USER: I need a normal cost airline.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no flights available on your route.

USER: Oh! That's sad to know, thank you for checking anyways.

ASSISTANT: Thank you for choosing our agency.

USER: You are most welcome.