You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Margaret Garcia.

ASSISTANT: Nice to meet you.

USER: I would like to travel from ORD to ORD,  can you please help me out for booking?

ASSISTANT: Sure, please mention your travelling dates.

USER: I am travelling on these dates 11/29 and 12/01.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no flights found under your details.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.