You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Thomas Thomas.

ASSISTANT: How may I help you?

USER: I would like to take a flight from HOU to PHL, can you help me over that?

ASSISTANT: Let me know your travelling dates?

USER: Ok, my trip dates should be 12/27 and 12/29.

ASSISTANT: Do you need halt in between your journey?

USER: Yes.

ASSISTANT: Ticket is found with airline Southwest for price 100 having flight number 1021.

USER: Please proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you.