You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am George Moore.

ASSISTANT: Ok.

USER: Can you help me in booking a flight ticket from TX - HOU to MA - BOS?

ASSISTANT: Sure, we are here to help you. Could you please provide your departure and arrival dates?

USER: I would like to fly on 05/13 and return on 05/15.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights found from your source.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.