You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Thomas Walker, can you help me to book a flight from IAH to ATL?

ASSISTANT: May I know your itinerary dates please?

USER: My travelling dates are 06/03 and 06/05.

ASSISTANT: D you have any class preferences?

USER: No, I need a connecting flight.

ASSISTANT: Would you care for airlines preferences?

USER: I am fine with any airlines, please book a morning flight from IAH.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT:  Thomas Walker, sorry to inform that there are no flights on your route.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for approaching us.