You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me to book a connecting flight with the name Angela Allen to take apart in trekking?

ASSISTANT: Sure, I can help you? Can I know your travelling dates?

USER: I want to start on 06/21 and I intend to return on 06/23.

ASSISTANT: Please share me your airport codes.

USER: My plan to start from San Francisco, CA-SFO to reach Philadelphia, PA-PHL.

ASSISTANT: We found a Jetblue airline, flight  number:1004 and the price is 100.

USER: That's good, you can book the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for consulting us.