You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Melissa Roberts. I would like to depart in the morning. Could you please help me with booking a connecting flight?

ASSISTANT: Sure, I will help you. May I know your airport codes?

USER: Sure, my airport codes are LGA and IAH.

ASSISTANT: Can you please let me know your travel dates?

USER: Sure, my travelling dates are June 9 and June 11.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want to return in the morning.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: No worries, thank you for the information.

ASSISTANT: Thank you.