You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Mitchell.

ASSISTANT: How may I render you?

USER: I want to book a ticket to meet my friends, can you please help me that?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to leave between 12/29 and 12/31.

ASSISTANT: Help me with the airport codes?

USER: My airport codes are from PHL to DFW.

ASSISTANT: There is a flight in an airline AA of number 1002 with a price of 100 having a single connection. Shall I reserve?

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a nice flight.