You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Barbara Lee here.

ASSISTANT: How may I help you?

USER: Reserve a flight ticket for me that is for my airport codes CLT to SEA.

ASSISTANT: Sure, please share your travel dates.

USER: I need a connecting flight. My travelling dates for journey are 02/12 to 02/14.

ASSISTANT: I found a flight 1004 of AA airlines matches with your preferences, can I proceed?

USER: My price limit is less than 500.

ASSISTANT: The flight matches with your requirement. Shall I proceed?

USER: Sure.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.