You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, firstly please let me know your name?

USER: Margaret Lee here, can you please book a ticket from ORD to LGA?

ASSISTANT: Yes, I will search a flight ticket for you. Please provide me your travel dates?

USER: I want tickets to be booked the dates 07/18 and 07/20.

ASSISTANT: Ok, thank you for providing the information. Please wait a while.

USER: Welcome, please look for the connection limit 1.

ASSISTANT: Sorry to inform you, there are no flights available with the dates you have planned.

USER: Ok, no issues, thank you for your information.

ASSISTANT: You are welcome. Thank you for consulting us. Hope you will reach us in the future.

USER: You are welcome.