You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me booking a flight ticket from ORD to PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start on 05/10 and return on 05/12.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a break in my journey.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: I am Rebecca Thomas.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: Ok, no issues.

ASSISTANT: Welcome, thank you for reaching us.

USER: Thanks for the information.