You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Allen here.

ASSISTANT: Glad to meet you Allen. In which way I can help you at this moment?

USER: I would like to travel from PHL to IAH, so can you help me searching flights?

ASSISTANT: Sure, I will help you with finding flight. On which dates do you want to travel?

USER: I am going to start my journey on 06/26 and 06/28.

ASSISTANT: Ok, please give me a minute, I will check for flight availability.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting. Sorry for the inconvenience, no airlines is providing a flight in your route.

USER: Oh! It's ok, no problem. Thank you for your best services.

ASSISTANT: My pleasure. Thank you for reaching us.