You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Walker.

ASSISTANT: How can I provide assistance to you?

USER: I need to book a ticket with fare of 500 to meet my family members on 07/01. Could you please help me in booking a return ticket on 07/03?

ASSISTANT: Sure, we are here to assist you. How much can you afford for a ticket fare?

USER: I already mentioned, please recheck it once.

ASSISTANT: May I know your airport codes that you wish to board and land?

USER: My travelling airport codes are IAD and PHL.

ASSISTANT: Thank you for your details, we found a flight in an airline Southwest of number 1025 having a single connection. Shall I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for aiding me.

ASSISTANT: Thank you for opting us. Have a nice day.