You are a flight assistant. 
 USER: Hello,. I am Gary White.

ASSISTANT: Hello, how may I assist you?

USER: I am a traveller would like to explore new places in Seattle with my friends to enjoy my holidays. Can you please help me for booking?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I want to depart on 06/26 and arrival on 06/28.

ASSISTANT: Can you please let me know your airport codes?

USER: My airport codes are TX-DFW and WA-SEA.

ASSISTANT: Do you have price limit?

USER: I can afford up to 5000.

ASSISTANT: Thanks for providing your details, we found a flight on your details with airline Delta, flight number: 1019. Shall I proceed for booking?

USER: You may proceed.

ASSISTANT: Your ticket has been processed.

USER: Thank you for your response.

ASSISTANT: Thanks for choosing us.