You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Sandra Thomas, want to travel from HOU to DEN.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 04/21 to 04/23.

ASSISTANT: There is a flight for you with 1 connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.