You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, what can I do for you now?

USER: I am Thomas Parker. Can you help me in booking my flight to Houston, HOU to visit museum?

ASSISTANT: Ok. For booking a ticket, may I have your scheduled dates?

USER: My dares of travel are 11/13 - 11/15.

ASSISTANT: Kindly mention your source point.

USER: My source airport is Philadelphia, PHL.

ASSISTANT: We have no flights with your data, as we have a some technical issues.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for quick response.