You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Edward Thomas here.

ASSISTANT: How can I aid you?

USER: I want to meet my client to discuss about our new project, so please book my ticket from IAH to ATL.

ASSISTANT: May I know your travelling dates please?

USER: My itinerary dates are 01/29 and 01/31.

ASSISTANT: Wait for a while please.

USER: Sure.

ASSISTANT: I couldn't find any flights on your route in our database.

USER: No problem, thank you for your help.

ASSISTANT: Thanks for approaching us.