You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Deborah Williams here.

ASSISTANT: Williams, how may I assist you at this moment?

USER: I want to meet my bank manager in main branch office. Could you book my ticket from LGA to DEN?

ASSISTANT: Sure, I am here to help you, please share your travelling dates?

USER: My journey dates are 06/07 and 06/09.

ASSISTANT: Williams, no flights as per your details.

USER: No problem, thank you for checking.

ASSISTANT: It's my pleasure, have a nice day.