You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Charles Gonzalez.

ASSISTANT: How may I render you today?.

USER: I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, TX - DFW. Can you help me with reserving a flight ticket?

ASSISTANT: Sure, when would you like to book a flight ticket?

USER: On 04/12, I want to fly and return on 04/14.

ASSISTANT: Provide your source airport code?

USER: Source is Detroit, MI - DTW.

ASSISTANT: We found a Southwest airline with fare of 300 matches your schedule. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1029.

USER: Thanks for your help & support.

ASSISTANT: Thank you for reaching us.