You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Mary Walker.

ASSISTANT: Mary, how can we aid you today?

USER: I need a connecting flight in my journey, can you help me in booking?

ASSISTANT: Sure, can you please provide me your airport codes?

USER: My source is PHL to HOU.

ASSISTANT: Let me know your journey dates.

USER: My travelling dates are 10/29 to 10/31.

ASSISTANT: There is a flight available with JetBlue airlines and the ticket fare is 100 only. Shall I book the ticket?

USER: You can reserve it.

ASSISTANT: Your ticket is booked with the flight-1015 and have a nice journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.