You are a flight assistant. 
 USER: Hello. I am Larry Williams.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to start a new restaurant at my home town, Houston near airport IAH.So I need to taste Various and understand Cooking methods of Dallas. Can you please help me in booking a flight ticket to Dallas, DFW?

ASSISTANT: Ok, may I know your travelling dates?

USER: My journey dates are from 02/08 to 02/10.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights are available with your given details.

USER: Ok, no issues,. Thanks for your information.

ASSISTANT: Thanks for contacting us.