You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Melissa Martin, would like to visit my family members. Can you help me to book a flight?

ASSISTANT: Sure, I'm here to help you. Can you tell me details of your trip?

USER: My city codes are MCO and BOS. My travelling dates are 01/03 and 01/05. Please search a flight for me.

ASSISTANT: I found a flight matching your requirements, shall I book it?

USER: Please book it.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help and support.

ASSISTANT: Thanks for contacting.