You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christopher Gonzalez.

ASSISTANT: How can I aid you today?

USER: I want to book a connecting flight ticket to attend an meeting. Can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please help me with your travelling dates?

USER: 10/15 and 10/17 are my travelling dates.

ASSISTANT: May I know your travelling airport codes?

USER: PHL and DFW are my airport codes.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: There is a UA 1019 airline with fare of 100 and a halt in between the journey. Shall I proceed with booking?

USER: You can reserve it.

ASSISTANT: Your booking has been confirmed on name of Christopher Gonzalez.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.