You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Harris.

ASSISTANT: How can I render you today?

USER: Can you book a flight ticket to Philadelphia, PHL?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Will you help me by sharing your journey dates?

USER: My travelling dates are from 02/02 to 02/04.

ASSISTANT: Let me know your departure place please.

USER: I am heading from Dallas, DFW.

ASSISTANT: Do you have any preference to travel?

USER: I need a connecting flight. Price limit is 1000.

ASSISTANT: Ok, Thanks for sharing the details.

USER: Ok.

ASSISTANT: Based on your request, we found a Frontier airline and it's flight number is 1011. Can I proceed to book?

USER: Please proceed to book.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.