You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jason Wright.

ASSISTANT: How can I assist you today?

USER: I need to schedule my trip to travel Houston. Can you please help me in booking the ticket from EWR to IAH?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I am willing to travel on 02/18 and again I will return back on 02/20.

ASSISTANT: Please give me a  moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Not a big deal, anyway thank you very much for your kind information.

ASSISTANT: Welcome, have a great day.