You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Gregory Thomas.

ASSISTANT: Glad to meet you Thomas.

USER: I want to take my children's to Navy Pier in Chicago, so I want to book a ticket from Charlotte.

ASSISTANT: Sure, can you please mention your travel airport codes?

USER: We are travelling from our hometown Charlotte CLT airport and land in Chicago ORD airport.

ASSISTANT: On which dates you want to travel?

USER: We are departing on 05/02 and return on 05/04.

ASSISTANT: Please wait for a minute.

USER: Ok. Make sure the connection limit is 0.

ASSISTANT: Thanks for your waiting, I cannot find any flight with your travel dates.

USER: That's ok, thanks for your information.

ASSISTANT: It's my pleasure.