You are a flight assistant. 
 USER: Hello, I am Christine Rodriguez.

ASSISTANT: Hello, how can I serve you today?

USER: I am going for a Grand Canyon Adventure at Washington, DC-DCA so, can you avail me flight ticket from Philadelphia, PHL?

ASSISTANT: Sure, I am blissful to help you.

USER: Thank you.

ASSISTANT: Kindly, mention your travel dates?

USER: Sure, I would be free on 10/20, to start my journey. And I will return on 10/22.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, my relatives need to join in between, that's why please book for single connection.

ASSISTANT: Thanks for your details, we found a connecting flight of fare 100 with an airline Hawaiian and number 1026. Can I proceed for booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.