You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Clark.

ASSISTANT: What assistance you are expecting from our travel agency?

USER: Can you help me in booking a ticket from HOU to EWR?

ASSISTANT: Sure, I will help you.

USER: Thank you.

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

USER: My planning dates are from 02/06 to 02/08.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to inform you, there are no flights running in this route.

USER: It's ok. Anyway, thank you for your help.

ASSISTANT: You are most welcome. Thank you for consulting us. Have a nice day.

USER: You are welcome.