You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me with booking a flight ticket from IAH to BOS?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travel dates are Apr 30 and May 02.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I would like to return at afternoon.

ASSISTANT: May I know your name please?

USER: My name is Linda Harris.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Ok.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you.