You are a flight assistant. 
 USER: Hello. I am Dennis Lee.

ASSISTANT: Hello Dennis, how can I help you today?

USER: I am planning to meet my friends in HOU, can you help me in booking a ticket from IAH?

ASSISTANT: Sure, can I know your travelling dates please?

USER: My planning dates are from 05/04 to 05/06.

ASSISTANT: There is a flight available for you in Delta airline with 1 connection. Shall I proceed with the booking?

USER: That's good, please proceed in booking my ticket. Thank you for your help..

ASSISTANT: Ok, your ticket is confirmed. Thank you for approaching us.

USER: You are welcome.