You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Rachel Lee, want to travel from BOS to PHL. Please help me in booking my ticket.

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are from 07/20 to 07/22.

ASSISTANT: There is a flight available in AA airline with 1 connection. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.